Benzinga's Top Pre-Market NASDAQ Gainers (TSTY, GLBC, AMMD, RAME)

Tasty Baking Company TSTY shares surged 142.24% to $3.90 in the pre-market session. Flowers Foods Inc FLO announced its plans to acquire TSTY for about $4.00 per share. Global Crossing Ltd GLBC shares advanced 53.72% to $22.75 in the pre-market session. Level 3 Communications Inc LVLT agreed to purchase GLBC for about $1.9 billion. American Medical Systems Holdings Inc AMMD climbed 32.56% to $29.60 in the pre-market session. Endo Pharmaceuticals Holdings Inc ENDP agreed to purchase AMMD for about $2.6 billion in cash. RAM Energy Resources Inc RAME jumped 6.64% to $2.25 in the pre-market session. RAME reported an update to activity in its Mississippian oil play in Oklahoma. Read more from Benzinga's Markets.