特朗普税改法案即将在美国众议院投票，美股太阳能板块盘前下跌，Sunrun(RUN.O)跌9.3%，SolarEdge跌4.3%，First Solar跌3%。

Core Viewpoint - The upcoming vote on the Trump tax reform bill in the U.S. House of Representatives is causing a decline in the U.S. solar sector stocks, indicating investor concern over potential impacts on the industry [1] Company Summary - Sunrun (RUN.O) shares fell by 9.3% in pre-market trading [1] - SolarEdge shares decreased by 4.3% [1] - First Solar shares dropped by 3% [1]