March 18th news, Hong Kong stocks three major index opened sharply higher today, early trading to maintain a high volatility situation, as of noon closing, the Hang Seng Index closed up 1.8%, the Hang Seng Technology Index closed up 2.77%. On the plate, large technology stocks collectively strengthened, Baidu (09888.HK) rose nearly 10%, Alibaba (09988.HK) rose more than 5%, JD.com (09618.HK), Kuaishou (01024.HK) rose 4%; auto stocks, affected by the news, NIO (09866.HK) rose rapidly at the end of early trading, as of noon closing up more than 16%, BYD shares (01211.HK) hit a new high in the session, half-day closing up 3.63%. WuXi AppTec (02359.HK) rose after the performance, half-day closing up nearly 12%.