Musk's social media antics were part of an April Fool's prank, but investors weren't laughing. Tesla shares dropped another 5 percent, according to The Washington Post, with business experts openly questioning Musk's ability to lead the multi-billion dollar company.

Tuesday was April Fools’ Day, and while many people love to pull a prank on their loved ones, in recent years, the celebration has escalated to involve brands joining in on the hoaxes — and even some news outlets.

In short, it was not true that Buffett bought Tesla for $1 trillion — or for any other amount. Rather, the claim originated from an article labeled as an April Fools'