Calibre Mining (V.CXB) soars 42% on inking IAMGOLD option agreement By: Stockhouse Newswire May 27, 2014 at 12:53 PM EDT Calibre Mining (V.CXB) signs option agreement with IAMGOLD for Eastern Borosi Project located in Nicaragua and shares climb 42% Read More >> Related Stocks: IAMGOLD Corporation