UPDATE 1-Icahn steps up fight against SandRidge's plan to buy Bonanza Creek
December 15, 2017 at 09:45 AM EST
Dec 15 (Reuters) - Activist investor Carl Icahn on Friday stepped up its fight against SandRidge Energy Inc's plan to buy a rival, urging fellow stockholders to vote against the oil and gas company's plan to issue shares for the $746 million deal.