Intercontinental Exchanges £395m ($604m) takeover of Climate Exchange will give the group a further grip on the booming European energy markets, a senior London-based analyst has said.If you have the cash and you can use the equity, then its a good time to buy," the analyst told FOi. The Climate Exchanges market cap is $350m, so its still trading on a substantial premium its trading on 44 times current earnings. [But] its moving in the right direction, at least....