For the first time in 2015, investors in European bonds are sitting on a loss. The securities tumbled on Tuesday after a report showed euro-area consumer prices rose in May by more than economists forecast, leaving them down 0.1 percent this year, according to the Bloomberg Eurozone Sovereign Bond index. As recently as April 15, the index was up 4.6 percent. German government bonds held onto their biggest drop since 2012 Wednesday before European Central Bank officials gather in Frankfurt to set monetary policy. Data this week showed the ECB accelerated its 1.1 trillion-euro ($1.2 trillion) bond-buying program in ... (full story)