Following are the day’s biggest winners and losers. Find out why shares of Costco and Dow Chemical popped while Newmont Mining and Advance Auto Parts dropped.

POPS (stocks that jumped higher)

Costco (COST) popped 3%. The company plans to close 2 Costco Home stores in July, and said that home furnishings "does not fit into our long-term expansion plans." - Normally something like this would be bad news, bristles Jeff Macke.