Benzinga's Top Pre-Market Gainers

ACADIA Pharmaceuticals ACAD moved up 149.57% to $5.74 in the pre-market session. ACADIA Pharmaceuticals reported successful top-line results from its pivotal Phase III Parkinson's disease psychosis trial. Ralcorp Holdings RAH surged 26.64% to $88.94 in the pre-market session. ConAgra Foods CAG announced its plans to buy Ralcorp for around $5 billion. Crocs CROX added 5.26% to $13 in the pre-market session. Crocs' PEG ratio is 0.90. Amarin Corporation plc AMRN soared 3.22% to $11.86 in the pre-market trading. Amarin announced the US patent 8,318,715 issuance for Vascepa.