Tesla Inc.’s sales plummeted 59% last month in Germany, adding to indications that Chief Executive Officer’s Elon Musk political activities are hurting the carmaker’s business in major electric vehicle markets.

Billionaire Elon Musk’s Tesla sales dropped in the three largest markets of Europe, including 59% in Germany, reported the news agency Bloomberg. Shares were trading lower ahead of the Wall Street open on Thursday.

In January, Tesla's new car registrations in Germany plunged 59.5% to 1,277, despite hosting its sole European factory. Sales also fell sharply in France (down 63%), Norway (38%), and the UK (8%) year-over-year, FT writes .