ATLANTA--(BUSINESS WIRE)--MAXEX, the mortgage exchange, has expanded its non-QM offering to include the industry's first multi-seller to multi-buyer flow liquidity program for alternative documentation loans. The growing market for creditworthy borrowers with non-traditional income remains a steady trend amid the past two years of mortgage industry volatility. As more business owners, gig workers and other non-W2 wage earners continue to vie for homes in today's high cost / low inventory housin