美股异动 | 纳指涨超1% 明星科技股普涨 美国超微公司(AMD.US)涨近5%

Group 1 - The U.S. stock market opened higher on the first trading day of 2026, with the Nasdaq rising over 1% and major tech stocks like AMD, TSMC, Nvidia, Google, and Broadcom showing significant gains [1][1][1] - Barclays' economists maintain their expectation for the Federal Reserve to cut interest rates twice in 2026, specifically by 25 basis points in March and June, with risks leaning towards a delay in these cuts [1][1][1] - Citigroup's U.S. equity strategy head, Scott Chronert, believes the current market is in a "prosperity phase" rather than a "bubble phase," expressing optimism for the market outlook based on strong earnings expectations and an upcoming sector rotation [1][1][1]