After just over an hour and a half of trading, the Dow Jones Industrial Average has climbed 1 percent, but the broad S&P 500 index and the Nasdaq's technology-heavy composite index have fallen 0.4 and 1.1 percent, respectively.
Cloud services company Oracle, whose sales fell short of expectations in Wednesday's quarterly report after the stock market closed, has fallen 13.7 percent.
This has also caused other AI-focused stocks to go down heavily in New York.
One exception is Walt Disney, which announced a $1 billion investment in OpenAI. Disney's stock is up 1.3 percent.
On Wednesday, the Federal Reserve announced that the key interest rate would be lowered by a quarter of a percentage point.
