Crude oil drops, markets extend losses

Falling crude oil prices sent the markets tumbling during the midday with the Dow plummeting 132 points to 17,953. Nasdaq fell 24 points to 5,074.

On the upside

Shares of DS Healthcare Group (Nasdaq: DSKX) continued rising after announcing a rewards program on Monday.

Gevo (Nasdaq: GEVO) has developed a process to produce jet fuel from wood waste.

VisionChina Media (Nasdaq: VISN) entered a financing transaction with Baidu (Nasdaq: BIDU) to jointly develop and monetize mobile app distribution and other mobile passenger services.

On the downside

Navistar International (NYSE: NAV) narrowed second quarter losses but revenue slipped to fall short of expectations.

Oxford Lane Capital (Nasdaq: OXLC) priced its public offering of 1.8 million common shares at the discounted price of $15.65 per share.

Prima BioMed (Nasdaq: PBMD) has regained Nasdaq listing compliance but the stock price slipped.

In the broad market, declining issues outpaced advancers by a margin of more than 3 to 1 on the NYSE and by 2 to 1 on Nasdaq. The broader S&P 500 dropped 12 points to 2101. Bitcoin edged up a fraction to $227.