Crude oil prices rebounded to lift the markets to a modestly higher close with the Dow gaining 36 points to 18,595. Nasdaq soared 53 points to 5,089.
On the upside
OpGen (Nasdaq: OPGN) is seeking regulatory approval of its QuickFish diagnostic test with a digital imager.
Allied World Assurance (NYSE: AWH) reported a greater than expected profit for the second quarter.
Shares of Top Ships (Nasdaq: TOPS) climbed for the third day.
On the downside
Evoke Pharma (Nasdaq: EVOK) tumbled for the third day.
Exponent (Nasdaq: EXPO) reported second quarter earnings that missed estimates prompting the company to lower its full year forecast.
Retreating silver prices weighed down shares of Endeavour Silver (NYSE: EXK) and First Majestic Silver (NYSE: AG).
In the broad market, declining issues outpaced advancers by a margin of more than 2 to 1 on both the NYSE and on Nasdaq. The broader S&P 500 climbed 9 points to 2,173. Bitcoin fell $4 to $661.