Benzinga's Top #PreMarket Losers

Glu Mobile

shares fell 4.53% to $3.90 in the pre-market trading after analysts at B. Riley & Co downgraded the stock from Buy to Neutral. Camtek

dipped 2.05% to $4.31 in the pre-market session. Camtek's trailing-twelve-month ROE is -6.36%. Bristol-Myers Squibb Company

shares dropped 1.39% to $52.63 in pre-market trading. Bristol-Myers Squibb's PEG ratio is 2.69. Tiffany & Co

dipped 1.38% to $89.37. Tiffany shares have jumped 59.67% over the past 52 weeks, while the S&P 500 index has gained 28.75% in the same period.