AI-related stocks tumble as investors react to Democratic win and regulatory concerns

Technology shares linked to artificial intelligence dropped sharply on Thursday, wiping an estimated $2.5 trillion from the Nasdaq-100's market value. The Nasdaq Composite fell 5.5 percent, the S&P 500 slipped 4.4 percent and the Dow Jones Industrial Average lost 3.4 percent, marking the S&P's worst session since April 2025.

Investors cited concerns that the Democratic sweep in Congress could lead to stricter oversight of data-centre construction, tighter environmental rules and other regulatory constraints on AI-related infrastructure. A Reuters analysis noted that roughly 30 percent of projected U.S. data-centre capacity additions for 2028 could be jeopardised if construction pauses occur.

The sell-off extended beyond chipmakers to data-centre operators, equipment suppliers and power firms, as market participants reassessed the pace of AI-infrastructure spending. Earlier earnings disappointments and doubts about the profitability of large AI investments had already heightened investor nervousness.

"The recent sell-off in AI-linked stocks on Wall Street reflects a shift in investor expectations rather than necessarily a loss of confidence in artificial intelligence as a long-term opportunity," said Abhishek Bhilwaria, partner at Bhilwaria Finserv.

Bhilwaria said investors are becoming more selective, focusing on revenue visibility, profitability and the timeline for AI infrastructure to generate returns. He added that political and regulatory uncertainty may increase short-term volatility, but the broader market is re-evaluating valuations.

The downturn could affect Indian markets through foreign portfolio flows and sentiment toward technology stocks. While Indian IT services may face greater scrutiny over AI adoption, Bhilwaria cautioned that firms with strong fundamentals and clear AI-driven business models could remain resilient.