Tesla stock was—very—weak again Tuesday as investors digested early-year sales data, trying to determine whether a drop was due to random fluctuations or a more serious problem, such as whether CEO Elon Musk’s political activities are turning off customers.

Tesla stock is crashing today, dropping over 8% and slipping below the $1 trillion valuation for the first time in three months. The stock decline is driven by multiple factors, including falling sales in Europe,

Sales in Europe collapsed 45% year-over-year in January, with just 9,945 vehicles soldits worst performance in the region in years. In the U.S., Tesla's share of the battery-electric vehicle (BEV) market tumbled from 59% to 45%,

Europe’s shift to electric vehicles is accelerating, but Tesla isn’t reaping the rewards. In a surprising turn, the EV giant saw a staggering 45% drop in year-over-year sales in January. Dan Ives, Managing Director of Equity Research at Wedbush Securities,

Shares of the US electric vehicle pioneer Tesla slumped as much as nine percent Tuesday, as investors digested disappointing European sales and chief executive Elon Musk's aggressive foray into politics.