Week that was: Big jump, big drop

4:01 PM ET Fri, 10 Oct 2014

CNBC's Tyler Mathisen looks back at the week's top business and financial stories. It was a wild week on the markets. Oil fell to two-year lows, even as the economy seems to be doing pretty well. HP announced it was splitting in two, and Wal-Mart said it was cutting health benefits for part-time workers.