Updated from 11:42 a.m. EDT

Shares of Black & Decker ( BDK) were among the NYSE's big winners Monday after the company reported better-than-expected second-quarter earnings and said full-year earnings would top analysts' expectations.

The Towson, Md.-based company reported a second-quarter profit of $1.50 a share on sales of $1.3 billion. Analysts polled by Thomson First Call had expected it to report earnings of $1.26 a share on sales of $1.24 billion. Black & Decker attributed the strong quarterly results to cost savings and sales volume leverage. A year ago it earned 98 cents a share on sales of $1.1 billion. Looking ahead, it expects to earn $1.25 to $1.30 a share in the third quarter and $5.05 to $5.15 for the full year. Analysts are looking for the company to earn $1.28 a share in the third quarter and $4.88 a share for the full year. Shares of Black & Decker traded up $7.17, or 11.9%, to $67.49.

Taser ( TASR) fell almost 10% after The New York Times reported on concerns about the safety of its stun-guns. The paper said Taser has conducted few meaningful studies on the guns, which are gaining increasing acceptance by U.S. police departments and resulted in six deaths last month alone. The company criticized the story, saying the Times made no mention of the many instances in which Taser's have provided a nonlethal option for police who otherwise would've used guns. The stock tanked $3.92 to $36.32.

Mattel ( MAT) rose after it reported better-than-expected second-quarter earnings and sales. Earnings of 6 cents a share topped analysts' expectations of 5 cents a share. Sales, meanwhile, came in at $804 million, higher than the $800.9 million analysts had expected . Strong sales in its American Girl and Fisher-Price divisions helped it overcome continued weakness in its Barbie brand. Shares of Mattel traded up 65 cents, or 3.9%, to $17.41.

Shares of Swift Transportation ( SWFT) rose after the company reported better-than-expected second-quarter earnings and sales. Excluding one-time gains and charges, it earned 40 cents a share on sales of $691 million. Analysts had expected the truckload fleet operator to earn 27 cents a share on sales of $661.4 million. Shares of Swift Transportation traded up $1.30, or 7.1%, to $19.75.

Retailer Wet Seal ( WTSLA) slumped after one of its largest shareholders said it would sell its entire Wet Seal stake. Specialty retailer La Senza, which trades in Toronto, announced late Friday that it plans to sell all its 3.12 million shares of Wet Seal that it owns. La Senza said the liquidation would provide additional capital and allow it to transform into a pure-play as an international lingerie retailer. Shares of Wet Seal traded down 58 cents, or 11.7%, to $4.37.

Shares of Sensient Technologies ( SXT) rose after the fragrance maker posted better-than-expected second-quarter earnings and said third-quarter earnings would beat forecasts. It earned 39 cents a share in the second quarter on sales of $263.8 million. The lone analyst following the company had expected Sensient to earn 36 cents a share. A year ago, it earned 46 cents a share on sales of $261.9 million. Looking ahead, it said that it "expects continued improvement in the second half." It expects to earn 46 cents a share in the third quarter and $1.65 a share for the entire year. The analyst expects it to earn 42 cents a share during the third quarter and $1.55 a share for the full year. Shares of Sensient Technologies traded up 49 cents, or 2.4%, to $21.19.

NYSE volume leaders included Lucent ( LU), down 10 cents to $3.24; Boston Scientific ( BSX), down $1.25 to $36.15; Motorola ( MOT), down 36 cents to $15.44; Texas Instruments ( TXN), down 21 cents to $20.93; and General Electric ( GE), up 14 cents to $33.23.

Nasdaq volume leaders included Sirius Satellite Radio ( SIRI), down 16 cents to $2.31; Microsoft ( MSFT), up 47 cents to $27.95; Intel ( INTC), up 18 cents to $22.91; Oracle ( ORCL), up 11 cents to $10.33; Sun Microsystems ( SUNW), up 24 cents to $3.94; and Cisco ( CSCO), down 17 cents to $21.36.