 NEW YORK--BUSINESS WIRE--Macquarie Global Infrastructure Total Return Fund Inc. NYSE:MGU MGU or Fund today announced that its Board of Directors Board has approved a share repurchase program authorizing the Fund to purchase, from time to time, up to 10 of the Funds common shares in open-market transactions, at the discretion of management, in an effort to reduce the Funds market price discount to net asset value. Subject to the 10 limitation, the timing and amount of repurchas 