The markets extended its gains during the midday with the Dow soaring 161 points to 12,966 on upbeat earnings news. Nasdaq surged 32 points to 3048.

On the upside

Fusion-io (NYSE: FIO) introduced its Fusion ioFX for visual effects professionals.

Eldorado Gold (NYSE: EGO) announced that gold production is expected to increase by approximately 160% over the next five years.

Rowan Companies (NYSE: RDC) will change its corporate structure to become a wholly owned subsidiary of a U. K. parent and will pursue a Class A Share structure in order to maintain listing on the New York Stock Exchange.

On the downside

Avid Technology (Nasdaq: AVID) warned of losses for the first quarter and expects revenue to miss analyst expectations.

Swisher Hygiene (Nasdaq: SWSH) delayed filing its annual report due to an internal review by its audit committee.

Concerns that Roche may abandon its unsolicited acquisition offer for Illumina (NYSE: ILMN) sank shares of the biotechnology firm.

In the broad market, advancing issues outpaced decliners by a margin of more than 4 to 1 on the NYSE and by more than 3 to 1 on Nasdaq. The Russell 2000 which tracks small cap stocks leaped 12 points to 808.