Midday movers: Home Depot, Groupon, Kors
Stocks get a lift after better-than-expected retail sales figures.
Knight Capital's (KCG) trading loss stemmed from old software, according to Bloomberg.
Chevron's (CVX) Richmond, Calif., refinery may be closed for four to six more months after last week's fire.
CONMED (CNMD) agreed to acquire Vikings Systems for $22.5 million.
Agrium (AGU) confirmed it will continue to execute its integrated business strategy and will not pursue spinning off its retail operations.
BP (BP) is seeking $7.9 billion for a clutch of Gulf of Mexico oilfields as it unloads assets after the 2010 spill in the region.
Among the notable gainers Tuesday were Michael Kors (KORS), after a positive Q2 earnings and word that the retailer hasn't seen an impact to its European operations, and Home Depot (HD), after it reported better-than-expected earnings and same-store sales for Q2.
Noteworthy losers included Towers Watson (TW), after the company provided disappointing guidance for 1Q13, and Groupon (GRPN), after its disappointing Q2 results showed slowing subscriber growth.
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