Are You Ready For A Pullback? BIIB, AMGN, GILD, CELG, UTHR, JAZZ, GOOG, FB, NFLX, APA, APC, EOG, PANW, DO, RIG

Stocks reversed the morning gains on Thursday and ended lower. The Dow was down 120.72 points (-0.69%); Nasdaq fell 83.5 points (-1.62%); SPX dropped 16.28 points (-0.78%).