A combination of market forces and regulatory influences helped Freddie Mac notch an impressive share of the agency market last month, but the smaller government-sponsored enterprise isn’t satisfied with gaining ground on rival Fannie Mae. “Not only am I worried about Fannie Mae, I think more and more we’re redefining where we need to play competitively in the broader mortgage market, not just the GSE market,” said Freddie President and COO Eugene McQuade during a…