LOS ANGELES -- Real estate investors are snapping up a bigger share of U.S. homes on the market as rising prices and stubbornly high borrowing costs freeze out many other would-be homebuyers.Nearly 27% of all homes sold in the first three months of the year were bought by investors -- the highest share in at least five years, according to a report by real estate data provider BatchData. Between 2020 and 2023, the share of homes bought by investors averaged 18.5%.All told, investors bought 265,00...