SK Hynix shares hit record high on AI optimism, SanDisk index inclusion

Published 04/13/2026, 11:09 PM
© Reuters.

Investing.com-- Shares of SK Hynix (KS:000660) climbed to a record high on Tuesday, buoyed by renewed optimism around artificial intelligence demand and fresh tailwinds from developments involving memory peer SanDisk (NASDAQ:SNDK).

The gains come after a strong Wall Street session on Monday, where technology stocks led a rally on sustained enthusiasm around AI-linked growth, reinforcing appetite for semiconductor names tied to data center demand.

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SK Hynix, a key supplier of high-bandwidth memory (HBM) chips used in AI processors, tracked the broader sector higher.

Seoul-listed shares of the company surged as much as 9% to 1,128,000 won -- their highest ever.

Sentiment was also supported by Sandisk’s upcoming inclusion in the Nasdaq 100 index, a move that typically drives passive fund inflows.

SK Hynix and Sandisk are jointly working to standardize High Bandwidth Flash (HBF), a new memory layer designed to complement HBM and improve scalability and efficiency for AI workloads.

The partnership is aimed at bridging performance and capacity gaps in AI systems, positioning both firms to benefit from the next wave of data center and inference-driven demand.

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