STOCKHOLM--(BUSINESS WIRE)--Regulatory News: Tradedoubler (STO:TRAD) Background On 20 May 2015 Gravity4 published a press release regarding Tradedoubler: “Gravity4 has announced that its board of directors has doubled its offer of 282,350,000 kr for publicly traded Tradedoubler AB headquartered in Sweden. Gravity4 will purchase publicly traded Tradedoubler AB 282,350,000 kr (equivalent to 6.67 kr per share) in cash upon closing, additional to the equivalent of that amount in Gravity4 stock. Thi