Disappointment with corporate earnings sent the markets down to a lower open with the Dow losing 27 points to 17,963. Nasdaq tumbled 48 points to 4,839.

On the upside

The Wall Street Journal reported that Comcast (Nasdaq: CMCSA) was exploring a possible bid for DreamWorks Animation (Nasdaq: DWA).

InvestmentResearchReport.com listed Ocean Rig (Nasdaq: ORIG) as one of five stocks that could double.

Amyris (Nasdaq: AMRS) signed a five year Biofene supply agreement with a global nutraceuticals company.

On the downside

First quarter revenue fell short for Twitter (NYSE: TWTR) and the company forecast second quarter revenue well below estimates.

H&R Block (NYSE: HRB) prepared fewer tax returns prompting the company to cut 250 jobs.

Apple (Nasdaq: AAPL) disappointed with lower first quarter earnings and revenue as iPhone sales dropped.

In the broad market, advancing issues outpaced decliners by a margin of more than 2 to 1 on the NYSE while advancers were on par with decliners on Nasdaq. The broader S&P 500 lost 3 points to 2,088. Bitcoin tumbled $11 to $449.