Stocks that moved substantially or traded heavily Thursday on the New York Stock Exchange and Nasdaq Stock Market:
Domino's Pizza Inc., up $2.10 at $21.30
The pizza chain posted a 10 percent jump in first-quarter profit, boosted by sales gains at stores abroad.
Cigna Corp., $1.26 at $47.18
The insurer's quarterly profit jumped 52 percent, led by growth in its health care division, and Cigna raised its 2011 profit forecast.
J. C. Penney Co. Inc., down $1.96 at $37.46
The department's store key revenue measure for April rose 6.4 percent, but Wall Street analysts had expected even faster growth.
Aeropostale Inc., down $4.20 at $21.29
The teen retailer cut its profit outlook for the quarter. It used too many promotions on clothing, hurting sales and margins.
Warner Music Group Corp., up 48 cents at $7.90
Former Warner Music director Len Blavatnik's Access Industries was close to a deal for the label, the Wall Street Journal reported.
Electronic Arts Inc., up $1.76 at $21.68
The video game publisher's quarterly profit rose fivefold and it posted strong results in its growing unit for mobile devices.
Kendle International Inc., up $5.48 at $14.98
INC Research is buying the clinical research company for $232 million, or $15.25 a share, a 61 percent premium to Thursday's close.
JDS Uniphase Corp., up $1.38 at $21.38
The maker of communications equipment for telecom companies said it swung back to a third-quarter profit as demand rose.