The head of the Securities and Exchange Commission has taken aim at the commission-free business model.

A bill would put the Commodity Futures Trading Commission in charge. Some consumer advocates back the Securities and Exchange Commission.

What some of the possible changes could mean for investors.

SEC delays decision on allowing exchange-traded funds. It has to make big calls on digital currencies, whether it wants to or not.

Emissions by a company’s suppliers and customers could count towards the total.

After shares of the video game retailer closed down 44% Thursday, they were up about 80% at market open Friday.

Those looking to dip their toes into Bitcoin expect the same regulatory clarity and protections that come with traditional assets.

Haima Marlier, a former senior trial counsel for the SEC, says recent trading suspensions show the SEC is “very much paying attention.”

In the world of high-speed trading, a lot can happen in .000002 seconds.

Tweets from Feb. 19 projected the number of cars the company will make this year.