资讯日报：港股三大指数高开反弹-20251021

Market Overview - The Hong Kong stock market indices opened higher, showing a rebound with the Hang Seng Index at 25,858.83, up 2.42% year-to-date[3] - The net outflow of southbound funds from Hong Kong stocks was HKD 2.67 billion on October 20[9] Stock Performance - Major tech stocks in Hong Kong saw significant gains: NetEase up over 5%, Alibaba up 4.86%, and Tencent up 3.2%[9] - The aviation sector led the gains, with China Eastern Airlines rising nearly 10%, marking a four-day increase of over 25%[9] U.S. Market Highlights - U.S. markets closed with all three major indices up over 1%, with the Nasdaq gaining 1.37% and the S&P 500 up 1.07%[3] - Apple reached a market cap of USD 3.89 trillion, with its stock rising approximately 4%[9] Semiconductor Sector - Semiconductor stocks were active, with Micron Technology rising over 2% and TSMC up more than 2.5%[9] - Nvidia's CEO celebrated the production of the first Blackwell chip in the U.S., indicating strong growth in the semiconductor industry[9] Gold and Commodities - Gold stocks experienced a collective pullback, with Zhenfeng Gold down 10% and Chifeng Jilong Gold down over 6%[9] - Concerns were raised about gold demand potentially weakening if retail participation remains low[9] Economic Indicators - China's Q3 GDP was reported at CNY 3.545 trillion, growing 4.8% year-on-year, slightly above the expected 4.7%[13] - Japan's Nikkei 225 index closed up 3.4%, reaching a historical high, driven by political stability and economic recovery signals[13]