Kosmos (KOS) is up 13.1%, or 35c to $3.06. Published first on TheFly – the ultimate source for real-time, market-moving breaking financial news. Try Now>> See today’s best-performing stocks on TipRanks >> Read More on KOS: Kosmos rises 16.6% Tullow Oil confirms termination of preliminary talks with Kosmos Energy Kosmos does not intend to make offer for Tullow Kosmos Energy Declines Firm Offer for Tullow Oil Kosmos price target lowered to $4 from $5 at Mizuho