Stocks Take A Tumble On Wall Street

NEW YORK (AP) — We're looking at some jaw dropping losses at the New York Stock Exchange.

Investors were back into selling mode after two days of rallies. Biotechnology companies plunged today as investors continue to drop shares. 

The Dow tumbled 266 points to 16,170.

The NASDAQ fell 129 points to 4,054.

Facebook and Twitter shares have dropped as well as other investor favorites. 

Small-company stocks also slid as investors sold riskier assets. 

Bond prices increased as investors looked for safety.