特斯拉美股开盘跌超4%，IBM跌8%

Group 1 - The U.S. stock market opened mixed on October 23, with the Dow Jones down 0.03%, Nasdaq up 0.04%, and S&P 500 up 0.10% [1][2] - Tesla's stock fell over 4% despite a rebound in third-quarter revenue, with profits declining by more than 30% [1] - Energy stocks generally rose, with ConocoPhillips increasing nearly 3% [1] Group 2 - Beyond Meat, referred to as the "first stock of artificial meat," saw its shares drop over 17% [1] - IBM's stock decreased by 8% [1]