Tesla shares have been volatile for years, but even by its standards, August and September have been dramatic. The stock fell, shareholders sued, and the government launched a civil investigation and a criminal one. Musk reportedly rejected settlementThe civil investigation by the Securities and Exchange Commission resulted in Thursday's steps and Friday's stock skid. The SEC wants a court to order Musk to stop making false and misleading statements and repay any gains he made. Tesla stock plunged 14.5 percent to $262.88 in heavy trading Friday.

Source: CBC News September 28, 2018 19:52 UTC