中国资产，深夜拉升

Group 1 - US stock market showed mixed performance with Dow Jones down 0.62%, Nasdaq up 0.57%, and S&P 500 up 0.27% [1] - US healthcare stocks fell sharply, with UnitedHealth down nearly 17%, Humana down over 16%, and Cigna down nearly 10% following a proposal to slightly increase payment rates for insurance companies [1] - Nasdaq Golden Dragon China Index saw an initial rise of over 1%, closing up 0.79%, with notable gains from companies like Huya up 15.97%, Kingsoft Cloud up 11.54%, and Bilibili up 4.29% [1] Group 2 - Storage sector stocks in the US experienced gains, with SanDisk up over 6%, Micron Technology up over 5%, and Western Digital and Seagate Technology both up over 1% [3] - Google announced a price adjustment for data transmission methods effective May 1, 2026, with North America prices doubling [3] Group 3 - Corning saw a rise of 7.8% as Meta plans to pay up to $6 billion for procurement [4] - General Motors increased by 5.4% after reporting core profits above expectations for Q4 2025 and plans to invest $5 billion to expand manufacturing capacity for high-demand models in the US [4] Group 4 - US natural gas futures dropped over 10% to $6.106 per million British thermal units, while Brent crude oil futures rose by 1% to $65.419 per barrel [5]