Lower open as crude oil falls

Crude oil prices fell to weigh the markets down to a lower open with the Dow plunging 104 points to 17,435. Nasdaq dropped 30 points to 5,109.

On the upside

Weight Watchers (NYSE: WTW) reported better than expected earnings for the second quarter and lifted its full year earnings outlook.

Genetic Technologies (Nasdaq: GENE) received patents for three core genetic markers in the BREVAGenplus risk assessment test.

3D Systems (NYSE: DDD) fell to a loss for the second quarter but revenue rose.

On the downside

Keurig Green Mountain (Nasdaq: GMCR) disappointed with lower second quarter earnings and revenue that fell short of analyst expectations, cut its full year forecast and announced plans to reduce its workforce.

Sequenom (Nasdaq: SQNM) widened losses for the second quarter as revenue fell.

Shutterstock (NYSE: SSTK) reported higher second quarter earnings and revenue but the company forecast current quarter and full year revenue below expectations and announced the resignation of chief financial officer Tim Bixby.

In the broad market, declining issues outpaced advancers by a margin of more than 5 to 3 on the NYSE and by 5 to 4 on Nasdaq. The broader S&P 500 fell 8 points to 2091. Bitcoin lost $3 to $276.