U.S. stocks fell on Thursday, led by tech shares, with the Nasdaq Composite Index dropping 1.3%. Tesla's stock fell 1.3% after the company reported a decline in profit for July-September and lowered its capital expenditure forecast for the year. Facebook parent company Meta's stock still fell 6.7% despite raising its AI spending forecast. Market concerns intensified regarding the profitability outlook for AI investments and financing. Meanwhile, rising oil prices further exacerbated market risk aversion.