Shares of solar companies slumped after conservative Republican lawmakers said they hadsecureda commitment from leadership to end key clean-energy tax credits earlier than planned, part of a sweeping deal aimed at allowing President Donald Trump’s giant tax and spending package to advance.
Sunrun Inc. fell as much as 8% Monday, and Enphase Energy Inc. was down as much as 5.3%. First Solar Inc. declined as much as 6.8%.
Despite surging clean-energy installations in recent years, the drop shows that the industry still relies heavily on favorable policy support from Washington.
South Carolina Representative Ralph Norman, one of ...