Stocks making the biggest moves midday: Micron, Tesla, Tripadvisor, AppLovin, Nvidia & more

On Thursday, tech stocks experienced a sharp decline, following a significant rally in the previous day. This downturn was primarily driven by concerns over potential regulatory issues in the AI industry and reduced demand for data center construction. The Dow Jones Industrial Average plummeted by 1,600 points, representing a 3% decrease from its value, while the S&P 500 and the tech-focused Nasdaq index also saw substantial drops, with the latter falling by approximately 5%.

Investors were particularly worried about the implications of the Democratic Party's victory in the U.S. midterms, which could lead to stricter regulations on AI and more scrutiny on data centers. Chipmakers such as Nvidia and Qualcomm were among the hardest-hit, as investors anticipated increased regulatory pressure from the new Democratic-led government.

Additionally, the significant stock market drop reached concerning levels, with the S&P 500 falling by 3.8%, triggering a circuit breaker that temporarily halted trading to prevent further market instability. If the market had plummeted by 13%, another trading freeze would have been imposed. A 20% drop would have resulted in an immediate halt of trading for the day.

Furthermore, the potential regulatory pressure extended beyond the initial shock of the midterm elections, with potential investigations on the horizon. The possibility of Democratic governors taking office in 2027 could also affect the construction of data centers and other tech-related projects, adding to the investors' concerns.

Despite the substantial market decline, some analysts noted that the outcomes of state-level races might be just as important as the Senate and House elections, given their potential impact on future policies and regulations.