Bloomberg Two of the world’s biggest money managers are diverging in their views on whether the Bank of Japan will tweak its ultra-loose monetary policy as early as next week. Japan’s central bank may surprise investors with some fine tuning of its stimulus policy when it meets on July 31, according to BlackRock Inc. Not so, said Vanguard Group Inc., …

Bloomberg Fresh from selling a 25 percent stake in its Italian operations, Corporacion America Airports SA said it may bid on new airport projects in Brazil and plans to start construction on a new runway in Florence. Shares gained the most in two months. The expansion at the Florence airport will allow larger planes to land in one of the …

Bloomberg Air Canada’s top executive turned up the heat on Aimia Inc. to accept its buyout offer for a Canadian frequent-flyer programme, warning that $1.5 billion in unpaid rewards liability would scare off any other suitors. The airline’s chief executive officer, Calin Rovinescu, said he’ll immediately restart talks with credit-card partners to create its own loyalty program if Aimia fails …