Megacap technology and growth stocks Microsoft Corp MSFT.O, Meta Platforms META.O, Apple Inc AAPL.O, Alphabet Inc GOOGL.O, Amazon.com AMZN.O and Tesla Inc TSLA.O rose between 1.4% and 3.1% in premarket trading. Markets have priced in aggressive rate hikes by the U.S. central bank in July and September to battle surging inflation, with some investors growing wary about whether the Fed can engineer a soft landing for the economy and avoid a recession. All eyes are now on Fed Chair Jerome Powell's testimony to the Senate Banking Committee on Wednesday for clues on future interest rate hikes.