Shares of Elon Musk’s electric vehicle maker are falling sharply Thursday as investors fear his dispute with Donald Trump could end up hurting the company.

Musk has called to “kill” Trump’s policy bill, criticizing the legislation as “massive, outrageous” and “pork-filled.”

Sunnova Energy said on Thursday it had filed for Chapter 11 bankruptcy protection for one of its units in the United States, as the residential solar panel installer grapples with a massive debt pile and sluggish demand.