May 20 2021, 3:08 AM May 19 2021, 3:31 AM May 20 2021, 3:08 AM (Bloomberg) -- U.S. stocks closed mixed and Treasury yields rose as minutes showed Federal Reserve officials were cautiously optimistic about the U.S. recovery at their April meeting, with some signaling theyâd be open âat some pointâ to discussing scaling back the central bankâs massive bond purchases. (Bloomberg) -- U.S. stocks closed mixed and Treasury yields rose as minutes showed Federal Reserve officials were cautiously optimistic about the U.S. recovery at their April meeting, with some signaling theyâd be open âat some pointâ to discussing scaling back the central bankâs massive bond purchases.