Benzinga's Top #PreMarket Losers

Tyson Foods TSN dipped 2.47% to $39.13 in pre-market trading after the company announced it has submitted a unilaterally binding offer to buy Hillshire Brands Company HSH for $63 per share in cash. Gilead Sciences GILD dropped 2.29% to $80.50 in pre-market trading after falling 0.50% on Friday. Yandex NV YNDX shares fell 2.22% to $32.97 in pre-market trading after rising 1.72% on Friday. Merck & Co MRK shares dropped 0.61% to $57.50 in pre-market trading after the company announced its plans to acquire Idenix Pharmaceuticals IDIX for $24.50 per share in cash.