That puts his net worth down 6.66% to $320B
                                
                                
                                    (Newser) -
                                    Monday was a "horrible, no good, very bad day for Elon Musk,"  MSNBC  reports, as the billionaire Tesla and SpaceX CEO lost nearly $23 billion in net worth. First, Musk claimed his social media platform, X, fell victim to a " massive cyberattack " using "a lot...