The S&P 500 and Nasdaq futures were at record highs on Thursday, propped up by a slew of stellar earnings reports and as investors shrugged off the Federal Reserve’s first steps to begin paring its pandemic-era support. Shares of Qualcomm Inc. jumped 8.1 percent in pre-market trade after the chipmaker forecast better-than-expected profit and revenue for its current quarter on soaring demand for chips used in phones, cars, and other internet-connected devices. A cheery third quarter earnings season coupled with upbeat commentary about future growth from corporate America has helped Wall Street largely dismiss concerns around rising prices, supply chain snags, and a mixed macro-economic picture. A widely expected move by the Fed on announcing its plan to start tapering its monthly bond purchases beginning this month, while sticking to the belief about the “transitory” nature of inflation and waiting for more job growth—before raising interest rates, also helped sentiment. …