US Memory Sector Stocks Surge 7.5% as Semiconductor Index Jumps 2%

Memory chip makers led broad semiconductor gains, with Western Digital up 7.5% and Micron rising 4.1%, driving the Philly Semi Index higher amid record US equity levels.

Woofun AI data shows that US equity markets posted broad gains, with the Dow Jones Industrial Average rising 0.45% to 54,013.46 points and the S&P 500 climbing 0.86% to a record 7,815.19 points.

The Nasdaq Composite increased 1.01% to 26,855.91 points, while the Philadelphia Semiconductor Index surged 2.04%. The memory storage segment led the rally, with Western Digital gaining 7.50%, SK Hynix up 5.33%, SanDisk rising 5.01%, Micron advancing 4.12%, Kioxia ADR increasing 3.26%, and Seagate Technology climbing 2.97%.