Micron rose 3.97% to rank second in U.S. stock trading volume on Thursday, with turnover of $23.777 billion. According to Sina Finance, Micron announced Micron Research Labs and said it plans to invest $10 billion over the next decade to build the United States' first long-term innovation center focused on memory technology in Boise, Idaho. The company said the research will cover next-generation memory, computing architecture, advanced packaging, and semiconductor manufacturing, and that the investment is separate from its previously announced more than $250 billion U.S. manufacturing and R&D plan.

Sandisk rose 2.02% to rank fifth, with turnover of $17.575 billion. According to Sina Finance, the company outlined a fiscal 2028 to 2030 financial framework at its recent investor day, including mid- to high-teens revenue growth, a non-GAAP gross margin target of about 80%, and an operating margin target of about 75%. It also said it will return 100% of excess cash to shareholders after completing investments.

SpaceX fell 4.05% to rank sixth, with turnover of $15.87 billion. According to Sina Finance, another batch of about 319 million shares held by early employees and investors came out of lockup and entered circulation, pulling the stock back to around its $135 IPO price.

Moderna plunged 23.55% to rank seventh, with turnover of $13.647 billion. According to Sina Finance, the company and Merck announced Wednesday phase 3 results for the personalized mRNA cancer vaccine intismeran autogene combined with pembrolizumab, saying it significantly reduced the risk of postoperative recurrence and suppressed distant metastasis in melanoma patients compared with standard immunotherapy alone.

Apple fell 1.75% to rank eighth, with turnover of $12.031 billion. According to Sina Finance, some research said the stock's correlation with the broader market and other Magnificent Seven names is relatively low, and Tim Cook expressed support for Micron's increased memory R&D investment in the United States.

Tesla fell 1.71% to rank ninth, with turnover of $10.339 billion. According to Sina Finance, the company is moving ahead with employee test rides of Cybercab in Austin and plans to later include the vehicle in Robotaxi service.