The Wall Street Journal reported that the SEC is examining the entrepreneur’s disclosures regarding his purchases of Twitter stock.
The Wall Street Journal reported Monday that Musk waited to disclose his Twitter stake until he owned more than 9%.
Tesla has sued its former supplier Matthews International in California federal court for allegedly stealing trade secrets related to Tesla's battery-manufacturing process and sharing them with the electric-vehicle giant's competitors. The lawsuit, filed on Friday in U.S. District Court for the Northern District of California, said Matthews owes damages that Tesla "conservatively estimates will exceed $1 billion" for misusing company trade secrets related to dry electrode battery manufacturing technology. Spokespeople for Matthews and attorneys and spokespeople for Tesla did not immediately respond to requests for comment on Monday.