The markets closed lower with the Dow losing 25 points to 15,300 on reports that technical problems caused a sharp drop in jobless claims. Nasdaq fell 9 points to 3715.
On the upside
SeaWorld Entertainment (NYSE: SEAS) reported higher year-to-date revenue and expects record revenue for the full year.
A Seeking Alpha contributor wrote that Goodrich Petroleum (NYSE: GDP) could double its stock price.
STMicroelectronics (NYSE: STM) will trade ex-dividend on Monday, September 16, 2013.
On the downside
Idera Pharmaceuticals (Nasdaq: IDRA) will provide an update of developments in its autoimmune compounds program at the Stifel Nicolaus 2013 Healthcare Confernece.
Shares of ExOne (Nasdaq: XONE) continued falling after pricing its public offering of 2.656 million common shares at a discount earlier this week.
Possible competition from generic drugs weighed down shares of Amarin (Nasdaq: AMRN).
In the broad market, declining issues outpaced advancers by a margin of more than 2 to 1 on the NYSE and by more than 5 to 3 on Nasdaq. The broader S&P 500 fell 5 points to 1683.