The markets extended its losses during the midday with the Dow crashing 312 points to 15,602 after Federal Reserve chair Janet Yellen said that negative interest rates could be implemented in the U.S. Nasdaq tumbled 34 points to 4,248.
On the upside
Rising gold prices lifted shares of Harmony Gold (NYSE: HMY).
Eldorado Gold (NYSE: EGO) invested approximately $2.56 million in Integra Gold through a private placement.
Coeur Mining (NYSE: CDE) narrowed fourth quarter losses.
On the downside
Monster Worldwide (NYSE: MWW) swung to a profit for the fourth quarter but revenue missed estimates and the employment solutions provider forecast current quarter earnings below expectations.
Mylan (Nasdaq: MYL) will pay a premium of approximately $7.2 billion in cash and stock to acquire Swedish drug maker Meda.
Shares of Proteostasis Therapeutics (Nasdaq: PTI) tumbled on its first trading day.
In the broad market, declining issues outpaced advancers by a margin of more than 5 to 1 on the NYSE and by more than 5 to 2 on Nasdaq. The broader S&P 500 collapsed 29 points to 1,822. Bitcoin slipped $1 to $380.
