The markets opened lower with the Dow losing 22 points to 15,475 over renewed concerns that tapering of the Federal Reserve's stimulus measures would stall the economic recovery. Nasdaq eased a fraction to 3668.
On the upside
Shares of Frank's International (NYSE: FI) surged on its first trading day.
QEP Midstream Partners (NYSE: QEPM) stock climbed in its market debut.
Ubiquiti Networks (Nasdaq: UBNT) reported higher fourth quarter earnings and revenue that topped analyst estimates and forecast current quarter results ahead of expectations.
On the downside
Dendreon (Nasdaq: DNDN) narrowed second quarter losses but the results were worse than expected as revenue fell and the biotechnology firm warned that Provenge sales would be flat in 2013.
Capstone Turbine (Nasdaq: CPST) narrowed first quarter losses but revenue fell.
Molycorp (NYSE: MCP) widened second quarter losses even as revenue rose.
In the broad market, advancing issues outpaced advancers by a margin of more than 10 to 9 on both the NYSE and on Nasdaq. The broader S&P 500 eased a point to 1696.
