St. Petersburg’s Fusion 1560 sells for $81.1 million in mega apartment deal

Fusion 1560, a 325-unit complex that was in the vanguard of St. Petersburg’s apartment boom, has sold for $81.1 million to a giant Chicago firm that manages Tampa’s International Plaza. The price is nearly $25 million more than Fusion sold for three years ago, a sign of the rebirth of the city’s once seedy Edge District. And at nearly $250,000…