港股开盘，恒指开涨0.62%，科指开涨0.90%。曹操出行(02643.HK)上市首日破发开跌19.41%。

Group 1 - The Hong Kong stock market opened with the Hang Seng Index rising by 0.62% and the Tech Index increasing by 0.90% [1] - On its first day of trading, Cao Cao Travel (02643.HK) experienced a decline of 19.41%, indicating a drop below its initial public offering price [1]