Taming the wild cats

Where the oil price goes, nobody knows». So says the boss of Aramco, the world’s biggest oil firm. Investors have found the same to be true at the other end of the market – among the wildcatting exploration firms listed on London’s AIM market. Until April, the whole sector was gushing. Now it’s taken a dive. That’s largely thanks to disappointments at companies like Regal Petroleum – the firm that was supposed to be sitting on a large Greek oil find, but wasn’t and saw its stock price collaps...