Wall Street JournalOil's Rise Greases StocksWall Street JournalOil companies seeking cash have found a well that keeps producing: the stock market. Callon Petroleum Co. CPE 12.11 % , a small oil producer, has sold new shares three times in the past six …

Wall Street JournalOil Firms Hit Pay DirtWall Street JournalFollow-on deals, in which already-public companies sell new stock, have boomed since oil prices started to plunge in late 2014, as companies have sought cash to pay down debt, keep rigs drilling a …