Tesla’s stock is driven by sentiment, which has soured greatly. Plus, Musk has now alienated Republicans and Democrats alike.

A breakdown in relations between President Trump and Elon Musk slammed Tesla stock Thursday, along with assets associated with the U.S. leader. Tesla shares regained some ground early Friday. Shares of Musk’s electric-vehicle maker rose around 4% in morning trading.

Tesla shares rebounded Friday, a day after the electric vehicle maker tumbled 14% as the relationship between CEO Elon Musk and President Donald Trump looked to be fraying.