Italy sold 5.73 billion euros ($7.1 billion) of bonds, short of its maximum target for the auction, as borrowing costs rose from the previous sale amid concern that Greece may leave the euro. The Treasury sold 2.34 billion euros of 10-year debt at a rate of 6.03 percent, the highest since Jan. 30 and up from 5.84 percent at the previous auction on April 27. Investors bid for 1.4 times the amount offered, down from 1.48 times last month. The Treasury also sold 3.4 billion euros of a new five-year security to yield 5.66 percent, compared with 4.86 percent for a similar-maturity bond sold last month. Italy had aimed to ... (full story)