沪指失守3900点，恒生科技指数跌超3%

Market Overview - A-shares experienced a significant decline, with all four major indices in the red. The Shanghai Composite Index fell below 3900 points, with nearly 4500 stocks declining across the market [1][2]. Sector Performance - Oil and gas stocks showed resilience, with Blue Flame Holdings hitting the daily limit, and companies like Shouhua Gas and China Petroleum also seeing gains. This was supported by rising international oil prices, with WTI crude surpassing $92 per barrel and ICE Brent crude nearing $99 per barrel [5]. - The lithium battery sector performed well, with Haike New Energy rising over 15%, followed by Tianji Shares and Duofuduo [5]. - Conversely, sectors such as insurance, precious metals, and the internet faced significant declines, with companies like Sichuan Gold and Xiaocheng Technology dropping over 4%. Gold prices fell below $4500 per ounce, while silver saw a decline of over 1% [5]. Stock Movements - Technology stocks faced a collective downturn, with Kuaishou dropping over 13.5%, Huahong Semiconductor down over 6%, and Meituan, Alibaba, and JD Health all declining over 4%. However, Kingsoft Software managed a gain of 3.7% [6]. - Pop Mart continued its downward trend, falling another 9%, while China Life and Zijin Mining also saw significant losses [6]. Notable Trends - The Asia-Pacific stock market largely declined, but the lithium battery sector in A-shares saw a notable surge, with companies like Yuanjie Technology reaching a market capitalization of over 100 billion [7]. - A semiconductor IP giant partnered with Meta to develop chips, resulting in a stock price surge of 16% overnight [7].