SK Hynix shares jump in marquee US debut as AI euphoria persists

SK Hynix's ADRs, ten of which equal one common share, opened at **$170** apiece. The offer price was **$149**, which was a **2.7% premium** to its average share price over the last three trading days in Seoul. "Demand for the US share sale has been stronger than some people might have expected. That implies the memory chip rally might have just taken a breath rather than peaked," said Dan Coatsworth, head of markets at AJ Bell. The offering, the second-largest share sale in the U.S. after SpaceX's `SPCX.O` record IPO last month, will bring in funds for SK Hynix to build new factories and give the chipmaker direct access to the world's largest pool of investors. The offering was more than seven times oversubscribed, a source told Reuters on Thursday. "This is the purest large-cap way for U.S. investors to own the AI-memory theme, and Hynix deliberately picked Nasdaq to tap that demand and the higher valuations U.S. chip names command versus Seoul," said Giuseppe Sette, co-founder of investment analysis platform Reflexivity. "SK Hynix gets its deal done on the strength of the story, but companies coming after it may face a tougher, more selective market." Tech giants competing for faster and smarter AI models are pouring hundreds of billions of dollars into the infrastructure powering the technology, raising equity and tapping debt markets to fund the costly expansion. Analysts expect that spending will continue to grow in the near term. Global cloud and AI infrastructure capital expenditure is expected to approach **$1.5 trillion by 2027**, a **40% to 50%** jump year-over-year, according to a BofA Securities note this week. However, questions are growing about the returns on these massive investments, sparking worries that hyperscalers could eventually be forced into a spending slowdown. "Investors will weigh the strength of the past year's rally against this latest volatility... Oversupply fears are inherent to the industry," said Matt Kennedy, senior strategist at Renaissance Capital, a provider of IPO-focused research and ETFs. SK Hynix's U.S.-listed shares jumped **14%** in their Nasdaq debut following its **$26.5 billion share sale**, the latest indication that investor enthusiasm for chip stocks remains intact despite their recent pullback from a dizzying rally. The South Korean chipmaker is the latest to ride a frenzy of investor interest in firms perceived as reaping big gains from the AI revolution that has spawned hundreds of billions of dollars in capital spending. Chip stocks have lost some momentum in recent weeks after a stellar run, partly due to investor concerns about slower AI spending. SK Hynix `000660.KS` shares have dropped a quarter from their record high hit two weeks ago. Even so, the company's stock is about **630%** higher than a year ago. "Global semiconductors is the most crowded trade in the world right now," said Thomas Hayes, chairman at Great Hill Capital in New York. "The bankers and the issuer, in this case SK Hynix, are meeting demand where it is. They're seeing excessive valuations, and they want to take advantage of it." The Icheon, South Korea-based company is the world's biggest maker of high-bandwidth memory (HBM) chips, which are essential for the vast amounts of data processing in AI-focused graphics processing units (GPUs) produced by the likes of Nvidia `NVDA.O` and AMD `AMD.O`. SK Group Chairman Chey Tae-won told Bloomberg TV that the company could offer memory-as-a-service to help address AI-related memory bottlenecks. The company aims to develop **5 gigawatts** of AI data center capacity outside South Korea, Chey said, adding that it was open to more U.S. investments. A big-tech splurge on these advanced processors has turned HBM chips into a scarce commodity, driving up prices and turning manufacturers into some of Wall Street's hottest bets, as investors view the industry as the "picks and shovels" suppliers to the AI boom. Micron `MU.O`, SK Hynix's U.S.-based competitor, has also rocketed **711%** over the past 12 months. Analysts say SK Hynix's U.S. listing will help close a valuation disparity between the two companies by expanding its investor base and accessibility. Despite its HBM dominance, SK Hynix trades at around **5.8 times forward earnings** versus Micron at around **7 times**, according to LSEG data.

SK Hynix shares jump in marquee US debut as AI euphoria persists

Pricing and investor demand

AI spending outlook and risks

Nasdaq debut lifts shares 14%

AI memory boom and valuation backdrop

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