Big companies spent nearly $200 billion on share repurchases last quarter. The lack of government oversight has drawn a backlash.
Haima Marlier, a former senior trial counsel for the SEC, says recent trading suspensions show the SEC is "very much paying attention."
Here are three reasons why there should be breach-notification law.
Hackers are finding new ways to profit.
The Justice Department has charged big hedge fund SAC with insider trading.