Elon Musk buys 9.2 percent of Twitter Stake:

Elon Musk takes a 9.2% stake in Twitter, and shares surge 25%. Twitter shares soar more than 25% after Elon Musk takes a 9% stake in a social media company.

Musk owns 73,486,938 shares of Twitter, which represents a 9.2% passive stake in the company, according to the Securities and Exchange Commission 13G filing released today.