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.
(See CNBC's Market Insider Blog)
—By CNBC's Rich Fisherman.
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