Jack Ma may be giving a rival bidder a smarter way to win an M&A fight. The Alibaba chief executive’s payments division, Ant Financial, has sweetened its offer to buy MoneyGram to $1.2 billion. That’s 20 percent higher than what interloper Euronet proffered. Cost cuts alone cannot justify it making a new counteroffer. Given Anbang’s struggles to close its deal with Fidelity & Guaranty Life, Euronet is better off waiting to see if regulators clear the way. Ant’s new terms represent a 64 percent premium to MoneyGram’s share price before talks started and value the company at 18 times this