Tesla stock rose Tuesday even as new data revealed that the electric-vehicle maker’s European sales halved in April and as China’s EV industry began a new price war.Shares of Elon Musk’s car company were up 6% at $359.

Electric car pioneer Tesla is facing a steep decline in the European market, with April sales dropping more than 50% year-on-year, according to new data released by the European Automobile Manufacturers’ Association (ACEA).

Tesla’s (NASDAQ:TSLA) grip on the European electric vehicle market weakened sharply in April, as the U.S. automaker faces intensifying competition and mounting reputational challenges tied to CEO Elon Musk.