U.S. stock indexes rose on Wednesday after upbeat results from a host of companies partially offset a wobbly start to the fourth-quarter reporting season, while Big Tech stocks also made a comeback after a bruising selloff. Quarterly reports from UnitedHealth Group Inc. and Procter & Gamble Co. supported sentiment in early trading, while Bank of America Corp. and Morgan Stanley wrapped up earnings from big lenders on a positive note. “Stocks were getting hit last quarter even though they beat estimates, which tells me that their prices were inflated,” said Joe Saluzzi, co-manager of trading at Themis Trading in New Jersey. “Now that we’ve seen a bit of a sell off, when a company reports better-than-expected earnings, they should get a price rise as opposed to last quarter.” All of the 11 major S&P 500 sector indexes were higher, with battered technology stocks rising 0.9 percent. UnitedHealth rose 2.5 percent …