A sell-off of healthcare stocks sent the markets into a tailspin with the Dow tanking 362 points to 26,076. Nasdaq plunged 64 points to 7402.
On the upside
The Food and Drug Administration upgraded the designation of Pfizer's (NYSE: PFE) McPherson facility as Voluntary Action Indicated which clears a path for the marketing approval of Achaogen's (Nasdaq: AKAO) plazomicin.
On the downside
Fourth quarter earnings plunged for Polaris Industries (NYSE: PII).
AK Steel (NYSE: AKS) widened fourth quarter losses more than expected.
Integrated Device Technology (Nasdaq: IDTI) fell to a loss for the third quarter.
In the broad market, declining issues outpaced advancers by a margin of more than 4 to 1 on the NYSE and by nearly 3 to 1 on Nasdaq. The broader S&P 500 plummeted 31 points to 2,832. Bitcoin crashed $954 to $10,071.