After hovering at or below 2% since last summer, yields on Treasuries spiked this week. The 10-year yield hit 2.23% Wednesday, marking its highest level in more than a year and well above the all-time low of 1.39% reached last July. But Doubleline Capital's Gundlach and Loomis Sayles' Fuss say the recent rally in yields is unlikely to continue, thanks to the Fed. Both say the Federal Reserve will make sure that any rise in rates will be slow and controlled. Gundlach and Fuss said that the consequences for global markets and the economy will be dire if the central bank fails. "People have been saying that the Fed ... (full story)