# SK hynix and SanDisk Rise 4% as Memory Stocks Lead U.S. Open

By Enna Lee

Canonical URL: https://www.tokenpost.com/news/investing/37247
Published: 2026-10-22T00:56:53.000Z
Updated: 2026-10-22T00:56:53.000Z
Section: Investing

> Micron climbed about 3%, while all three companies were coming off losses in Tuesday’s session.

At the 9:30 a.m. ET (13:30 UTC) open Wednesday, SK hynix and SanDisk shares each rose about 4%, while Micron Technology gained about 3%, putting memory and flash-storage stocks among the session’s early leaders.

The gains compare regular-session opening prices with Tuesday’s closing prices. SK hynix’s U.S.-listed American depositary shares opened at $145.45, up 4.05% from $139.79. SanDisk traded near $1,417 at the open, roughly 4% above its $1,365.38 prior close. Micron opened at $923.73, a 3.09% gain from $896.07.

The three stocks had posted losses Tuesday: SK hynix fell 2.2%, SanDisk slipped 0.4% and Micron declined 1.0%. The advance spanned semiconductor memory and flash storage: SK hynix and Micron make memory and storage products, while SanDisk focuses on flash storage.

The broader market also ended higher Wednesday. The S&P 500 closed up 0.6%, the Dow Jones Industrial Average rose 0.7% and the Nasdaq Composite gained 1.1%.