These are Monday's market winners and loser.

Biggest Winners

Shares of Dell Inc. (NASDAQ: DELL) are up 6.90% to $10.31 on trading volume of 21.7 million shares. Goldman Sachs has upgraded the stock from sell to buy. The 52-week high is $18.36.

Shares of Decker Outdoor Corp. (NASDAQ: DECK) are up 7.33% to $41.10 on trading volume of 2.5 million shares. The company that makes Ugg boots was raised to buy from neutral by Stern Agee. The 52-week high is $109.36.

Biggest Loser

Shares of TPC Group Inc. (NASDAQ: TPCG) are down 6.81% to $44.76 on trading volume of 2.2 million shares. Innospec said it was dropping its pursuit of the chemical company. The 52-week low is $22.15.

Samuel Weigley

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