Bondholders, bidders object to Gold Reserve group's Citgo bid

By Marianna Parraga HOUSTON (Reuters) -Holders of a defaulted Venezuelan bond, some creditors and bidders that participated in a U.S. auction of shares in the parent of Venezuela-owned refiner Citgo Petroleum filed objections to the auction's recommended outcome, court documents released on Monday showed. The challenge to the $7.4 billion offer by a group led by a unit of miner Gold Reserve