Crude oil prices drop, markets tumble

Crude oil prices dropped to send the markets tumbling to a sharply lower close with the Dow skidding 239 points to 16,253. Nasdaq plunged 55 points to 4,756.

On the upside

Dave & Buster's Entertainment (Nasdaq: PLAY) reversed year ago losses to post a greater than expected profit for the second quarter as revenue climbed prompting the company to lift its full year revenue forecast.

Federal mediators asked Republic Airways Holdings (Nasdaq: RJET) and the airliner's pilots union to meet on September 16.

TRC Companies (NYSE: TRR) reported higher fourth quarter earnings and revenue.

On the downside

Investors locked in profits on SunEdison (NYSE: SUNE).

Second quarter revenue for The Men's Wearhouse (NYSE: MW) fell to miss expectations.

Retreating crude oil prices weighed down shares of Whiting Petroleum (NYSE: WLL).

In the broad market, declining issues outpaced advancers by a margin of nearly 3 to 1 on the NYSE and by nearly 7 to 3 on Nasdaq. The broader S&P 500 plunged 27 points to 1,942. Bitcoin fell $5 to $237.