NEW YORK (AP) — Wall Street is tumbling on fears the big U.S. companies that have feasted on the artificial-intelligence frenzy are under threat from a competitor in China. The S&P 500 fell 1.8% in early trading Monday.

Shares of analog chip manufacturer Texas Instruments (NASDAQ:TXN) fell 5.9% in the morning session after the company reported underwhelming fourth-quarter results, with earnings guidance for the next quarter falling short of Wall Street's expectations.

Wall Street is pointing slightly lower in early trading but is on track to close the week with solid gains on healthy quarterly earnings reports from large U.S. corporations.

The Dow Jones Industrial Average fell 140.82 points, or 0.32%, to 44,424.25, the S&P 500 lost 17.47 points, or 0.29%, to 6,101.24 and the Nasdaq Composite lost 99.38 points, or 0.50%, to 19,954.30.

DALLAS (AP) — DALLAS (AP) — Texas Instruments Inc. (TXN) on Thursday reported fourth-quarter net income of $1.21 billion. On a per-share basis, the Dallas-based company said it had net income of $1.30.

U.S. President Donald Trump on Thursday accused the CEOs of Bank of America and JPMorgan Chase of not providing banking services to conservatives, echoing Republican complaints about the industry.

Netflix, Oracle and other technology stocks are lifting U.S. indexes as their profits pile higher and excitement builds around artificial intelligence. The S&P 500 was up 0.5% early Wednesday.

Texas Instruments (TXN) saw its share prices drop by 5.13 percent on Thursday to end at $187.37 apiece as investors sold off positions following news that the Chinese government kicked off a probe

Wall Street investors, spurred on by Trump's pro-business agenda, could be ignoring real risks posed by the president.

The S&P 500 was down 1.6% in morning trading. Big Tech stocks took some of the heaviest losses, with Nvidia down 11.2%, and they dragged the Nasdaq composite down 2.7%. The Dow Jones Industrial Average, which has less of an emphasis on tech, was holding up better with a dip of 123 points, or 0.3%, as of 9:50 a.m. Eastern time.

After China's DeepSeek prompts AI rethink, Nvidia stock slides. Follow along for live updates on stocks and other markets, including the Dow Jones Industrial Average, S&P 500 and Nasdaq Composite.