A $12.6 billion chunk was hacked off Elon Musk’s wealth pile on Thursday, after shares of Tesla Inc. saw their biggest one-day loss since the start of the year and, adding drama, a SpaceX rocket exploded after blasting off in Texas.
The date, of course, was April 20 — or 4/20 — which for years has been marked by Musk with cannabis references, often appearing to attempt humor.
The…