Musk's social media antics were part of an April Fool's prank, but investors weren't laughing. Tesla shares dropped another 5 ...

For every well-executed corporate hoax, there's an overeager company whose ill-conceived pranks have blown up in their faces, ...

However, investors weren't amused by Musk's prank on April Fool's Day. According to The Washington Post, Tesla shares faced ...

was supposed to make "it easier to have the last word on any email" by adding a GIF of a yellow animated minion character (from the animated "Despicable Me" and "Minion" movies) dropping a microphone.