 PONTIAC, Mich.--BUSINESS WIRE--UWM Holdings Corporation NYSE:UWMC, the publicly traded indirect parent of United Wholesale Mortgage UWM, 1 wholesale and purchase mortgage lender in America, today announced it launched a contest to bring independent mortgage brokers to ring the bell at the New York Stock Exchange alongside UWM president and CEO, Mat Ishbia in celebration of National Mortgage Brokers Day. Independent mortgage brokers can enter by sharing stories about helping borrowers on 