港股早评：大幅低开！恒指跌1.45%，科技股下挫，海致科技首日高开204%

Market Overview - US stock market experienced a significant decline, with major indices dropping sharply, leading to a 3% decrease in the China concept index [1] - On the last trading day of the Year of the Snake, Hong Kong's three major indices opened lower, with the Hang Seng Index down 1.45%, the National Index down 1.23%, and the Hang Seng Tech Index down 1.59% [1] Sector Performance - Major technology stocks in Hong Kong faced collective declines, with Baidu down 3.6%, Alibaba down 2.9%, and both Tencent and JD.com also experiencing losses [1] - Precious metals saw a sharp sell-off, with gold and silver prices plummeting, leading to declines in gold stocks and a broad drop in the non-ferrous metals sector, as well as in automotive, banking, and biopharmaceutical stocks [1] Notable Events - Haizhi Technology Group, dubbed the "first AI stock to remove illusions," saw its shares surge 204% on the first day of trading in Hong Kong, positively impacting some AI application concept stocks [1]