Firms sell more shares at lower prices, deepening pain for stockholders ___ Energy companies tapping the stock market to fill their coffers are deepening the pain for shareholders. These firms have come to rely on selling new shares to pay down debt and keep rigs drilling. The further commodity prices and energy stocks slid, the more shares that companies have had to sell at ever lower prices to raise the desired proceeds. This has further diluted the stakes held by existing shareholders, who are already suffering from falling share prices. The cash injections haven’t guaranteed stability for the companies selling...