Six Flags Entertainment (SIX) has approached peer Cedar Fair (FUN) with a cash-and-stock offer acquisition offer, Greg Roumeliotis of Reuters reported earlier, citing people familiar with the matter. Cedar Fair is considering Six Flags’ offer, but there is no certainty that a deal will be reached, sources told Reuters. Shares of Cedar Fair are up 3% to $60.05 following the report while Six Flags is up 38c to $51.89.