On Wednesday, the U.S. stock market witnessed AMD emerging as a frontrunner in terms of trading volume. Its stock price closed with an impressive 11.37% gain, marking a record high. This upward trend has persisted for three consecutive days, culminating in a cumulative increase of 43%. This remarkable performance can be attributed to AMD's four-year cooperation agreement with OpenAI, which prompted Jefferies to upgrade AMD's rating and target price.

Tesla's stock price also experienced a modest increase, closing 1.29% higher. This was despite the price reduction of its new model and downgraded configurations that failed to meet market expectations.

Nvidia's stock price rose by 2.20%, buoyed by its participation in Musk's $20 billion AI financing initiative.

Amazon unveiled plans to invest $1.16 billion in Belgium from 2025 to 2027.

RGTI's stock price saw a slight dip of 1.55%, putting an end to its previous six-day winning streak.

Broadcom's stock price climbed by 2.70%.

SoftBank and Oracle are teaming up to offer cloud and AI services tailored for Japanese companies.

Micron's stock price surged by 5.84%, fueled by expectations of a DRAM price hike in the fourth quarter.

CoreWeave's stock price rose by 8.65%, reversing its previous three-day losing streak.

TSMC's stock price increased by 3.57%, with its 2nm wafer quotation (quoted price) on the rise and plans to adjust prices for advanced processes in the coming year.

AST SpaceMobile's stock price jumped by 8.63%, following Bell Canada's announcement of plans to collaborate on launching space-based mobile communication services next year.