Here's what CNBC's "Fast Money" traders had to say about some of the market's biggest movers on their "Pops and Drops" segment Friday.
Pops
Wal-Mart (WMT Quote - Cramer on WMT - Stock Picks) popped 1%. Karen Finerman said a 1% move is a pop this week.
National Semiconductor (NSM Quote - Cramer on NSM - Stock Picks) was up 14%. Guy Adami said the stock can still go higher.
Drops
Wachovia (WB Quote - Cramer on WB - Stock Picks) dropped 15%. Avoid the regionals, said Jeff Macke.
AT&T (T Quote - Cramer on T - Stock Picks) slipped 4%. It's a buy on this dip, said Pete Najarian.
Big Lots (BIG Quote - Cramer on BIG - Stock Picks) went down 2%. Finerman said her fund is short the stock. She pointed out "lots of insider selling."
Boeing (BA Quote - Cramer on BA - Stock Picks) stumbled 12%. Macke said eventually it matters if a company's customers go out of business.
Bank of America (BAC Quote - Cramer on BAC - Stock Picks) lost 10%. Adami made a joke about the company's sponsorship of the Dallas Cowboys.