SK Hynix Reaches Record Peak with 9% Jump Fueled by AI Chip Momentum

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SK Hynix shares jumped up to 9% on Tuesday, hitting an unprecedented peak of 1,128,000 won.
Artificial intelligence optimism and Wall Street’s technology sector momentum fueled the advance.
SanDisk’s forthcoming entry into the Nasdaq-100 index on April 20, displacing Atlassian, lifted memory sector confidence.
Both companies are collaborating on High Bandwidth Flash (HBF), an innovative memory solution for AI applications.
Korea Investment & Securities boosted their annual earnings projection for SK Hynix by 28%.

SK Hynix shares reached unprecedented heights on Tuesday, propelled by artificial intelligence chip requirements and the approaching inclusion of SanDisk in the Nasdaq-100 — a combination of favorable catalysts.

The memory chip manufacturer’s Seoul-traded shares climbed as much as 9% during the session, touching 1,128,000 won. This represents a new peak valuation for the semiconductor firm.

The upward movement followed robust performance on Wall Street the previous trading day. Tech-focused equities spearheaded a widespread market advance, sustained by ongoing excitement surrounding artificial intelligence infrastructure investment.

SK Hynix stands among the leading providers of high-bandwidth memory (HBM), a critical element in AI accelerators manufactured by firms such as Nvidia. HBM demand has outpaced available supply, providing SK Hynix with substantial pricing leverage.

Market participants have been favoring enterprises with connections to supply-limited segments of the AI semiconductor ecosystem — and SK Hynix occupies a central position in that landscape.

SanDisk’s Index Entry Provides Additional Momentum

SanDisk will enter the Nasdaq-100 prior to market opening on April 20, taking the place of Atlassian. This announcement propelled SanDisk shares upward by 11.83% and strengthened investor sentiment throughout the memory and storage industry.

Index additions generally trigger passive investment fund purchases, which can elevate not only the included stock but also associated companies within the same sector. SK Hynix clearly benefited from this positive spillover effect.

The two corporations are also connected through a collaborative technology initiative. SK Hynix and SanDisk are working together to create High Bandwidth Flash (HBF) — an advanced memory architecture intended to complement HBM in artificial intelligence systems.

HBF aims to address performance and capacity limitations in existing AI hardware, especially as data center and inference operations continue expanding.

Improved Forecasts and Strong Pricing Dynamics

The historic rally is supported by strengthening business fundamentals, not merely market enthusiasm. Korea Investment & Securities analysts increased their annual profit expectations for SK Hynix by 28%.

The revision reflected better-than-anticipated pricing for both DRAM and NAND memory technologies.

SK Hynix provides essential components to several of the world’s largest technology corporations, including Apple and Nvidia. The company’s performance is intimately connected to the expansion of global AI infrastructure.

U.S. technology equities have continued to influence SK Hynix’s stock movement given these supply partnerships.

The American-listed version of SK Hynix, trading as HXSCL, rose more than 7% in the same trading period.

SanDisk finished the session up 11.83% on the Nasdaq, with the index inclusion announcement serving as the primary driver for that gain.