Elon Musk crossed the 100 million follower threshold on Twitter this week – a milestone that coincided with a rare bout of silence on the social network that has sparked speculation on Wall Street.
The billionaire Tesla CEO, who also turned 51 on Tuesday, became just the sixth Twitter user to amass 100 million followers and the first among prominent business leaders. Other accounts in the rarefied club belong to former President Barack Obama, Justin Bieber, Rihanna, Katy Perry and Cristiano Ronaldo.
Musk surpassed 100 million followers between Sunday and Monday, according to data from Social Blade. He has gained more than...