Memory Chip Sector Rises Broadly Intraday, Micron Up 3.81%, SanDisk Up 2.67%

Memory chip stocks surged collectively during the intraday session on Wednesday (July 23), with major names trading firmly in positive territory. As of press time, Micron Technology (MU.US) led the gains, rising 3.81% to $996.01, hitting an intraday high of $999.25 with a turnover of $5.948 billion. SanDisk (SNDK.US) followed closely, up 2.67% to $1,641.85 on volume of 2.098 million shares.

Other mainstream names also participated in the broad advance. Western Digital (WDC.US) climbed 2.86% to $572.61, Seagate Technology (STX.US) added 2.74% to $933.01, and Everspin Technologies (MRAM.US) jumped 4.42% to $16.77. Derivative ETFs within the sector showed similar strength: ProShares Ultra Micron (MUU.US) soared 7.60% to $36.89, while Direxion Daily 2x Long Micron (MUD.US) dipped slightly by 3.73% to $10.84, reflecting heightened short-term sentiment toward the memory chip 赛道。

Analysts noted that the broad intraday strength in memory chip stocks was primarily driven by expectations of industry inventory destocking and continued warming demand from AI servers. As industry leaders, the significant rebound in Micron and SanDisk is often viewed as a barometer for the sector. With manufacturers seeing improved capacity utilization, the memory chip sector is expected to maintain a volatile upward trend in the near term.