Shares of electric vertical takeoff and landing (eVTOL) company Joby Aviation (JOBY -0.66%) have slipped from a high of $20/share last year to just $7.58 a share today.That's a drop of 62%: one of the steepest in the eVTOL industry. It's even worse than rival Archer Aviation's (ACHR +3.45%) 58% slide from its all-time high.Could Joby be in danger of having to issue a reverse stock split, and soon? Here's what we know. Stock splits are often good signs...In a "normal" stock split, a company swaps one existin ...