The markets advanced during the midday with the Dow rising 15 points to 12,303 even as consumer prices rose last month. Nasdaq gained 7 points to 2833.

On the upside

Global Hunter Securities reiterated its Buy rating for China MediaExpress Holdings (Nasdaq: CCME) after conducting additional due diligence on the company that provides television advertising network on express buses in China.

A district court sided with ION Geophysical (NYSE: IO) in a patent infringement case and issued a permanent injunction against seismic equipment provider Sercel.