Morning Market Losers

Ambit Biosciences AMBI dropped 26.95% to $9.35 after the company provided regulatory update following FDA meeting regarding quizartinib (AC220). Turquoise Hill Resources TRQ dropped 24.02% to $3.3281. Turquoise Hill Resources' trailing-twelve-month ROE is -9.34%. Express EXPR dropped 18.89% to $20.01 after the company reported downbeat Q3 earnings and issued a weak Q4 earnings forecast. Kewaunee Scientific KEQU plummeted 13.84% to $15.81 on Q2 results.