Business
Which Korean Chip Giant Should Investors Buy as AI Memory Demand Soars
SEOUL — Two of South Korea’s biggest companies have delivered some of the most dramatic stock rallies anywhere in global markets this year, and both have done it by riding the same wave: an unprecedented boom in demand for the memory chips that power artificial intelligence. But Samsung Electronics and SK Hynix have taken very different paths to get there, leaving investors with a genuine choice rather than an obvious winner.
Samsung shares have climbed roughly 158% to 163% so far in 2026, depending on when the calculation is made, while SK Hynix has surged anywhere from 258% to more than 300% over the same stretch, according to multiple market trackers. That outperformance briefly produced a historic moment on June 22, when SK Hynix’s market capitalization surpassed Samsung’s, ending a 25-to-26-year run in which Samsung had stood as South Korea’s most valuable publicly traded company. Samsung disputes the ranking, arguing that its market value should include preferred shares, a calculation that would restore its lead. The following day, both stocks fell roughly 12% in tandem, a sharp pullback that, by some measures, returned Samsung to the top spot regardless of which counting method is used.
The divergence between the two companies traces directly to their business structures. SK Hynix operates as a pure-play memory chipmaker, meaning essentially every dollar of revenue and every improvement in profit margin flows straight from memory chip sales, with no other business lines diluting the impact. That focus has paid off spectacularly during the current boom in High Bandwidth Memory, or HBM, the specialized memory chips that pair with AI accelerators from companies like Nvidia. SK Hynix’s first-quarter 2026 results, reported in April, set records across nearly every financial metric: revenue of roughly 52.6 trillion won, up 198% from a year earlier; operating profit of about 37.6 trillion won, up 405% year-over-year; and an operating margin of 72%, a figure that reportedly exceeded Nvidia’s own margin of around 65% over the same period and stood as a new all-time high for the global semiconductor manufacturing industry.
Samsung, by contrast, is a sprawling conglomerate whose memory chip business sits alongside foundry services, smartphones, displays and home appliances. That diversification gives Samsung considerably larger absolute revenue, with first-quarter 2026 sales of roughly 133.9 trillion won and operating profit of about 57.2 trillion won, both well above SK Hynix’s figures in raw dollar terms. But the strength of Samsung’s memory business gets diluted in its overall results by the more modest performance of its other divisions, which helps explain why the stock has lagged its smaller, more focused rival on a percentage basis even as its underlying memory operations have also benefited from the same AI-driven boom.
Market share in the HBM segment specifically has favored SK Hynix throughout the current cycle, though the gap has narrowed somewhat as Samsung has invested heavily to catch up. Estimates place SK Hynix’s share of the global HBM market in the range of 52% to 61%, depending on the period measured, against roughly 17% to 39% for Samsung, with Micron Technology holding most of the remainder. SK Hynix built that advantage in part by continuing to invest in HBM production through a difficult 2023 downturn, when a broader memory price collapse pushed the company to an annual operating loss of more than 7.7 trillion won. Samsung, meanwhile, reportedly encountered yield and product qualification delays on its earlier-generation HBM3E chips, a setback that slowed major orders from key customers including Nvidia and allowed SK Hynix to cement its lead.
The competitive picture is expected to shift again later this year. Samsung has accelerated development of its next-generation HBM4 chips, with mass production targeted for the fourth quarter of 2026. Some analysts have suggested that if Samsung’s HBM4 ramp succeeds on schedule, the company could see a so-called double play in both earnings growth and valuation re-rating, narrowing the performance gap with SK Hynix. SK Hynix, for its part, has reportedly chosen in recent weeks to slow its own HBM4 production ramp in order to harvest elevated profit margins on conventional DDR5 memory instead, a category where supply has contracted sharply after manufacturers across the industry redirected capacity toward HBM production over the past two years. Some analysts, including those at Morgan Stanley, have characterized that DDR5 pivot as strategically sound, arguing that broad-based memory price appreciation across all chip categories, rather than HBM market-share battles alone, is the primary driver of profit growth in the current cycle.
Underlying both stocks is an industry-wide supply shortage that analysts describe in historic terms. Goldman Sachs raised its forecast for the 2026 global DRAM supply-demand gap to 4.9% in April, up from an earlier estimate of 3.3%, calling it the most severe memory shortage in 15 years. Some industry watchers have suggested the HBM shortage specifically could persist until 2028, supporting continued pricing power for both Korean memory makers, though others caution that today’s record margins could eventually attract enough new manufacturing capacity, from Samsung, SK Hynix, Micron and others, to normalize supply over time, a dynamic that has already weighed on Micron’s stock following its own recent earnings reports despite strong underlying results.
For investors weighing access to these companies, SK Hynix is reportedly exploring a U.S. stock exchange listing that would broaden its access to American capital markets and institutional investors. Separately, the world’s first dedicated memory-chip exchange-traded fund launched in early April, drawing roughly $6.5 billion in investor inflows within its first 27 trading days, with SK Hynix, Micron and Samsung together representing the bulk of its holdings, offering a diversified alternative for investors who want exposure to the broader memory chip theme rather than picking a single company.
Ultimately, the choice between the two stocks comes down to risk tolerance and investment goals rather than any clear consensus pick. Investors seeking maximum growth exposure to the AI memory boom, along with a willingness to absorb sharper pullbacks if AI spending or HBM demand were to soften, have gravitated toward SK Hynix’s pure-play focus and industry-leading margins. Those preferring greater stability and broader diversification, with the added possibility of a valuation catch-up if its HBM4 production ramp succeeds later this year, have leaned toward Samsung’s larger, more varied business. As with any individual stock decision, this is not financial advice, and anyone considering an investment in either company should weigh their own financial situation, risk tolerance and time horizon, and consider consulting a financial professional, before making a decision.
Business
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Guo Wengui: Chinese tycoon sentenced to 30 years in US jail
Guo Wengui, who was once believed to be one of China’s richest businessmen, has been sentenced to 30 years in jail in the US for running a billion dollar scam.
The former property tycoon had fled China to the US in 2017, where he reinvented himself as a Communist Party critic and built a loyal online following.
But Guo was later convicted on charges of racketeering, fraud and money laundering.
New York court judge Analisa Torres said Guo had “preyed on those seeking to bring democracy to China”, taking their money to fund his lavish lifestyle.
The BBC has contacted Guo’s representatives for comment.
Guo – who goes by several names, including Miles Guo and Ho Wan Kwok – was sentenced in a courtroom packed with his supporters.
US attorney Sean S Buckley told the BBC: “Rather than being satisfied with the many legitimate opportunities afforded to him, Guo exploited the trust that thousands had placed in him for his own greed.”
“Today’s sentence shows that fame and wealth do not place you above the law, and that fraudsters who victimise families to enrich themselves will be met with significant consequences,” Buckley said.
Before fleeing China, Guo built a fortune as a property developer and had good ties with the country’s government.
But he sought asylum in the US after being accused by top Chinese officials of corruption.
Guo became a critic of China’s Communist regime and cultivated a wide online following among the Chinese community in the US.
Prosecutors said Guo raised more than $1bn (£760m) from online followers, who joined him in investment and cryptocurrency schemes between 2018 and 2023.
The money he raised was used to fund Guo’s lavish lifestyle which included a 50,000 square foot mansion, a $1m Lamborghini and a $37m yacht, they said.
Guo denied the allegations, saying the funds were used for his political activism.
He had built ties with other China critics, including Steve Bannon, a former adviser to US President Donald Trump.
Bannon and Guo often appeared in online videos and, in 2020, launched a campaign called the New Federal State of China, with the goal of overthrowing the Chinese Communist Party.
Later that year, Bannon was arrested on Guo’s yacht in Connecticut. Bannon was charged in an unrelated case with fraud in an alleged scheme to defraud people who funded a not-for-profit company to build a US-Mexico border wall.
Bannon entered a guilty plea in a Manhattan court to a first degree scheme to defraud charge and received a sentence of conditional discharge for three years.
He also faced federal charges over the wall campaign after he was indicted by a federal grand jury, but the prosecution came to a halt after Trump pardoned him in the final hours of his first White House term.
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Positive Breakout: These 8 stocks cross above their 200 DMAs – Upside Ahead?
In the NSE list of stocks with a market cap over Rs 10,000 crore, eight stocks’ closing prices crossed above their 200 DMA (Daily Moving Averages) on June 29, 2026, according to stockedge.com‘s technical scan data. The 200-day daily moving average (DMA) is used by traders as a key indicator for determining the overall trend in a particular stock. As long as the stock is priced above the 200-day SMA on the daily timeframe, it is generally considered to be in an overall uptrend. Take a look:
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PRISM’s IPO filing mentions Zostel case, CCI investigation
In its UDRHP-I filing to Sebi, the company any ‘adverse’ outcome in legal proceedings involving Zostel may materially and adversely affect its business, reputation, prospects, results of operation and financial condition, including potential issuance or transfer of up to 7% of its shareholding.
The company signed a non-binding term sheet with Zostel Hospitality Private Limited (“Zostel”) and certain other parties for the potential acquisition of Zostel’s business which did not materialize. Zostel contended that while it had fully complied with all obligations outlined in the above-mentioned term sheet, PRISM did not take the requisite steps to finalize the acquisition process. PRISM disputed the claims in entirety on the ground that the term sheet was non-binding and was merely ‘exploratory’ in nature and no definitive documents were executed.
While the arbitrator passed an award holding that the term sheet was binding in nature, PRISM filed a petition before the High Court of Delhi challenging the award. The High Court of Delhi, set aside the award on the grounds that it was in conflict with the public policy of India.
Thereafter, Zostel filed an appeal under section 37 of the Arbitration and Conciliation Act, 1996 before the Division Bench of the Delhi High Court.
“If Zostel succeeds at a stage with a non-appealable order, our company may be required to issue or transfer up to seven per cent of our shareholding (or pay an equivalent monetary value) as per the direction of the court, to Zostel and certain other parties,” said PRISM in its filing.
“We cannot assure you that we will not receive any adverse order or claim in the future or that such claims will not have a material adverse impact on us, our financial condition and/or shareholding structure and also in such case, our management’s time and attention and our Company’s resources may be diverted,” it added. People familiar with matters at the company said there is no ‘immediately enforceable’ share-transfer obligation against PRISM. “If any higher court rules in Zostel’s favor, it will set a precedent of enforcing a non-binding term sheet in any M&A,” said one of the officials.
The filings also mention the CCI matter. Based on information filed by the Federation of Hotel and Restaurants Association of India (FHRAI, against MakeMyTrip India Private Limited, Ibibo Group Private Limited and PRISM, the CCI directed an investigation to determine whether the agreement between MakeMyTrip India Private Limited, Ibibo Group Private Limited and PRISM was anti-competitive in nature, and contravened the Competition Act.
Pursuant to the investigation, the CCI held that the arrangement was anti-competitive within the meaning of the Competition Act and imposed a penalty on MakeMyTrip India Private Limited, Ibibo Group Private Limited of Rs 223 crore and a Rs 168.8 crore penalty on PRISM.
“Our Company has subsequently filed an appeal against the CCI order before the National Company Law Appellate Tribunal which has been admitted. The potential consequences if the appeal is dismissed include that we may be required to deposit the remainder (i.e., less the 10% of the penalty amount already deposited as fixed deposit receipt in relation to admission of the aforesaid appeal) of the penalty amount of Rs 1,68. 8 crore with the CCI, subject to any modifications by the NCLAT, if any,” stated PRISM in its filing.
“However, since there are no directions to the Company apart from the imposition of the monetary penalty, there will be no restructuring of our core commission model required or impact on Patron relationships. If the NCLAT dismisses the appeal, we will have recourse to challenge the NCLAT’s dismissal order before the Supreme Court. Accordingly, the
above mentioned consequences will be subject to the outcomes of an appeal before the Supreme Court,” it added.
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