Khristopher J. Brooks is a reporter for CBS MoneyWatch. He previously worked as a reporter for the Omaha World-Herald, Newsday and the Florida Times-Union. His reporting primarily focuses on the U.S.

This transcript was prepared by a transcription service. This version may not be in its final form and may be updated. J.R. Whalen: Here's your money briefing for Tuesday, May 9th. I'm J.R. Whalen for ...

Gone are the days when customers tipped a waitress who served them by putting cash directly in her hand. Now, point-of-sale self-checkout kiosks prompt people for tips — even if the customer didn’t ...