Elon Musk concedes Twitter is now worth less than half what he paid in email about stock grants, report says

• Elon Musk offered stock grants to staff that value the company at $20 billion, Platformer reported.
• He paid $44 billion to take control of Twitter in late October. 
• Musk told the employees left after the last round of layoffs that they were "highly regarded."

Elon Musk admitted that Twitter is now worth less than half what he paid in an email about stock grants to employees, reports say.