Crude oil prices tumbled to send the markets down to a sharply lower close with the Dow plummeting 158 points to 17,729. Nasdaq dropped 33 points to 5,123.

On the upside

Apigee (Nasdaq: APIC) narrowed first quarter losses more than expected as revenue climbed.

Insider Monkey noted that hedge funds were buying Vince Holding (NYSE: VNCE).

OptionMonster.com co-founder Jon Najarian bought shares of SolarCity (Nasdaq: SCTY).

On the downside

Universal Technical Institute (NYSE: UTI) fell to a greater than expected loss for the first quarter.

Isle of Capri Casinos (Nasdaq: ISLE) reported second quarter revenue that missed estimates.

Shares of Harvard Apparatus Regenerative Technology (Nasdaq: HART) extended its losses.

In the broad market, declining issues outpaced advancers by a margin of nearly 7 to 2 on the NYSE and by nearly 2 to 1 on Nasdaq. The broader S&P 500 plunged 23 points to 2,079. Bitcoin slipped $3 to $357.