Tesla’s stock gets punished as Musk says he’ll start third political party. ‘This is not the news we want to see.’ T esla investors faced a rough start to the week, with shares dropping after Chief Executive Elon Musk’s plan for a new U.S. political party drew the ire of President Donald Trump — and one downgrade.

Dan Ives, an analyst with Wedbush Securities, wrote that Musk's continued push into politics is "exactly the opposite direction" investors want to see.