美股三大指数小幅低开 柯尔百货绩后大涨超28%

Group 1 - The U.S. stock market opened lower, with the Nasdaq and S&P 500 indices down by 0.09% and the Dow Jones down by 0.04% [1] - Kohl's Corporation surged over 28% after reporting Q2 earnings that exceeded expectations and raised its full-year earnings per share guidance [1] - Zhihu Inc. rose over 4%, achieving an adjusted net profit of 91.3 million yuan in Q2, marking three consecutive quarters of Non-GAAP profitability [1] - Cybersecurity company Okta increased by 7.8% after its second-quarter results surpassed expectations and it raised its full-year revenue and adjusted earnings per share guidance [1]