Tesla shares close down 12% after earnings miss for biggest slump since 2020

Tesla shares plummeted the most since 2020 after the electric vehicle maker reported weaker-than-expected quarterly earnings and another drop in automotive revenue.

The stock closed down 12% on Wednesday at $215.99. It's now down 13% for the year, while the Nasdaq is up 16% over that stretch.

Tesla on Tuesday said auto revenue declined 7% from a year earlier to $19.9 billion while margins also fell. Total revenue increased 2% to $25.5 billion.

The company has been forced to slash prices globally and offer discounts and incentives as it faces slowing sales and rising competition, especially in China.

Tesla remains the top seller of electric vehicles in the U.S. by far, but is losing market share to a growing number of rivals due in part to its aging lineup of sedans and SUVs and the impact of Musk's incendiary and political commentary.

Adjusted earnings of 52 cents a share for the second quarter trailed the average analyst estimate of 62 cents, according to LSEG. And Tesla's adjusted operating margin shrank to the lowest in three years, dropping to 14.4% from 18.7% a year earlier. It's the fourth straight quarter of shrinkage.

Investors have been focused on a number of other areas around the Tesla story, including when the company will introduce a new mass-market car to reinvigorate its lineup of vehicles. Musk said on the earnings call Tuesday that Tesla is on track to deliver a new "affordable" car in the first half of next year.

Robotaxis were a big topic on the earnings call. Musk envisions a world in which owners can authorize their Tesla vehicle to be used as part of an Uber-style ride-hailing service, with the cars driving autonomously.

When asked when he expects the first robotaxi ride, Musk said, "I would be shocked if