The markets traded in negative territory during the midday with the Dow slipping 14 points to 12,256 as jobless claims climbed unexpectedly. Nasdaq dropped 13 points to 2748.

On the upside

TheStreet listed Dendreon (Nasdaq: DNDN) as one of ten health care stocks poised to return up to 72%.

El Paso Tennessee Pipeline (NYSE: EP) accepted and will make payments for all debentures validly tendered.

Shares of Zipcar (Nasdaq: ZIP) surged in its market debut.

On the downside

Commodity Broking Services Managing Director Jonathan Barratt recommended that investors sell silver sending shares of Coeur d'Alene Mines (NYSE: CDE) lower.

Fairchild Semiconductor (NYSE: FCS) reported higher first quarter earnings that topped analyst estimates but revenue fell short of expectations.

A federal judged ruled that Lender Processing Services (NYSE: LPS) committed fraud by creating false documents in mortgage foreclosure cases.

In the broad market, declining issues outpaced advancers by a margin of nearly 10 to 9 on the NYSE and by 10 to 9 on Nasdaq. The Russell 2000 which tracks small cap stocks edged up a fraction to 824.