U.S. investment-grade bond funds and exchange-traded funds saw massive outflows in the week ended July 22, as an oil-driven inflation scare pushed Treasury yields higher and investors cut exposure to fixed-rate corporate debt, LSEG Lipper data showed. According to the data, U.S. investment-grade bond funds recorded $7.1 billion in net outflows during the week, the largest weekly withdrawal on record, after suffering a record one-day outflow of $8.2 billion on July 20….