美股三大指数持续走高，热门中概股普涨

Market Performance - The three major US stock indices continued to rise, with the Dow Jones up 1.02%, Nasdaq up 1.21%, and S&P 500 up 1.15% as of the report [1] - Apple shares fell nearly 4% as CEO Tim Cook estimated an increase of $900 million in costs due to tariffs [1] - Nvidia shares rose nearly 2% as the company resumed custom chip development following US export regulations [1] - Popular Chinese concept stocks saw a general increase, with the three-times leveraged FTSE China ETF rising over 10% and the Nasdaq Golden Dragon China Index up 2.7% [1] - Alibaba and JD.com both rose nearly 4%, while XPeng Motors increased over 6.5% and Kingsoft Cloud rose over 7% [1] Employment Data - In April, the US non-farm payrolls increased by 177,000, exceeding the forecast of 138,000 and down from the previous value of 228,000 [4] - The unemployment rate remained at 4.2%, matching market expectations [4] - Average hourly earnings in April grew by 0.2% month-over-month, below the expected growth of 0.3% [4] Trade Relations - The US confirmed that auto parts manufactured in Canada and Mexico will be exempt from a 25% tariff as part of the USMCA, effective May 3 [6] - The US Chamber of Commerce urged the Trump administration to implement a tariff exemption mechanism to prevent economic downturn and protect small businesses, but the White House rejected the request [7] - The US is actively communicating with China regarding trade talks, emphasizing the need for the US to show sincerity by correcting unilateral tariff measures [3]