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 Monday.
Pops
Quicksilver (ZQK Quote - Cramer on ZQK - Stock Picks) popped 7%. Guy Adami said the stock scored an upgrade from Morgan Keegan. He said investors can still own Quicksilver.
Jabil Circuit (JBL Quote - Cramer on JBL - Stock Picks) climbed 9%. Jon Najarian said brokers are going positive on the stock. He said the stock is going higher and he would own it.
Drops
TiVo (TIVO Quote - Cramer on TIVO - Stock Picks) dropped 9%. Jeff Macke said the company faces a lawsuit and the stock is going "nowhere."
Marriott (MAR Quote - Cramer on MAR - Stock Picks)slipped 2%. Karen Finerman said the company offered a disappointing forecast.
Lions Gate (LGF Quote - Cramer on LGF - Stock Picks) tumbled 8%. Adami said the company didn't have a good fourth quarter.
UAL (UAL Quote - Cramer on UAL - Stock Picks) was down 8%. Najarian said the stock has gone down as crude has gone up. Stay away, he said.
Warner Music Group (WMG Quote - Cramer on WMG - Stock Picks) lost 9% Macke said why own a music company?
Berkshire Hathaway (BRK.B Quote - Cramer on BRK.B - Stock Picks) slumped 2%. Finerman said investors shouldn't judge the stock on one day's performance.
The Governor and Company of the Bank of Ireland (IRE Quote - Cramer on IRE - Stock Picks) plummeted 7%. Macke said investors should be concerned about Ireland.