Wall Street analysts and investors cited growing fatigue with Musk’s increasingly controversial political activities as a key factor behind the sell-off.

Yaccarino announced her departure from the CEO role Wednesday on X, formerly Twitter.

Musk has become the latest rich egomaniac to fall into this trap.

"In a nutshell, we believe this is a tipping point in the Tesla story and ultimately the Tesla Board needs to act now and set the ground rules for Musk going forward around his political ambitions an...

The conditions for a “neoliberal” third party like Mr. Musk’s may be in place, but the single likeliest outcome is that it fails to win anything at all.

Weeks after the billionaire left his role at the Department of Government Efficiency amid his feud with President Trump, a small band of Musk loyalists is fighting to preserve the legacy—and power—of...