December 14 (SeeNews) - The shares of Croatian oil and gas group INA [ZSE:INA-R-A] surged 64.43% to 2,830 kuna ($514.5/382 euro) on the Zagreb Stock Exchange (ZSE) by 1100 GMT on Tuesday, their first day of trading after an 11-day suspension triggered by a buyout bid from Hungary's MOL.