Ken Leech, the star investor behind bond funds with $308 billion in assets under management, illegally steered hundreds of millions of dollars into ones held by preferred clients at the expense of funds held by less-favored customers, investigators say.

After a long slump for Sleep Number Corp.’s stock price and weaker demand for its smart mattresses, one big investor, Stadium Capital Management, went public with its frustrations with the company on Monday, calling for a shakeup of its board and changes to what it said was a “flawed” search process for a new CEO.

Videoconferencing platform Zoom Video Communications Inc. on Monday offered up third-quarter results and an outlook that came in above Wall Street’s expectations, helped by growth in its key segment geared toward businesses.