Take a look at some of Thursday's midday movers:
Allergan - The Botox maker rose after CNBC's David Faber reported enough shareholders have consented to a special meeting, set for Dec. 18.
Amazon.com - The online retailer gained after Sanford Bernstein hiked its price target on its shares.
BP - Shares of the oil producer declined after a federal judge found the company "grossly negligent" in the 2010 Gulf of Mexico disaster that killed 11 people. BP said it would appeal the ruling, which could force the company to pay billions of dollars more for the environmental catastrophe. Transocean and Halliburton were also included in the case, but the judge found them less responsible.
Costco Wholesale - The operator of membership warehouses gained after it reported better-than-expected same-store sales in August.
General Electric - The diversified conglomerate edged higher after Reuters cited people familiar with the matter in reporting Sweden's Electrolux was close to a deal to acquire GE's appliance business for more than $2.5 billion.
Home Depot - The home-improvement retailer climbed as Reuters reported Home Depot had been in contact with the U.S. Secret Service about an alleged breach of customer data.
L Brands - The owner of brands including Victoria's Secrets rose after reporting sales at stores open at least a year increased more than expected in August.
Nordstrom - The department-store operator advanced after approving a $1 billion share repurchase program.
PVH - The owner of the Tommy Hilfiger and Calvin Klein brands rallied after reporting second-quarter earnings that topped estimates.
SolarCity - The solar panel installer said it would open 20 operation centers in seven U.S. cities.
Tesla Motors - The electric-car maker gained ahead of an announcement scheduled for Thursday afternoon at which Tesla will reportedly unveil plans for a huge factory to produce car batteries outside Reno.
VeriFone Systems - The maker of credit-card-swipe machines rose after hiking its full-year revenue outlook.
Verizon Communications - The wireless carrier edged lower after raising its quarterly dividend to 55 cents a share. The Federal Communications Commission on Wednesday said Verizon would pay $7.4 million to settle allegations it used customers' information for marketing reasons.
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—By CNBC's Rich Fisherman.
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