The former vice presidential candidate Walz said he checks Tesla’s share price to give him a “little boost during the day,” nodding to Musk’s company’s more than 40% year-to-date loss.

Kimbal Musk, the brother of Tesla CEO Elon Musk, has been offloading shares of Tesla in recent months just as the stock has made a massive retreat from all-time highs. The electric vehicle maker, however briefly, had been among the select group of trillion-dollar companies following the stock’s post-U.S. presidential election surge.