J.C. Penney Co. Inc., up $1.30 at $23.40
The department chain posted a second-quarter loss but investors embraced CEO Ron Johnson's reassurances that the company's turnaround is taking hold.
AllianceBernstein Holding LP, up 78 cents at $13
A Citi analyst upgraded his stock rating on the asset manager to "Buy" from "Neutral," citing the company's improving profitability.
Fusion-io Inc., up $5.84 at $26.86
The maker of chip-based computer memory drives reported fiscal fourth-quarter results above Wall Street's expectations.
Roundy's Inc., down $2.52 at $7.71
A Jefferies & Co. analyst downgraded the grocer's stock rating to "Hold" from "Buy," citing the slowing economy and growing competition.
Jones Soda Co., up 3 cents at 35 cents
The maker of specialty sodas and WhoopAss energy drinks said it narrowed its second-quarter loss on higher sales and lower costs.
Teekay Corp., down $1.43 at $31.02
The Canada-based oil tanker operator posted a big loss in the second quarter, mainly due to the declining value of derivatives.
Monster Beverage Corp., down $6.93 at $54.27
The energy drink maker said that it is being investigating for its advertising practices by a state attorney general's office.
FXCM Inc., down 35 cents at $9.81
The currency trading company posted a $1.4 million loss in the second quarter as the number of trades the company made fell.