By Noel Randewich and Bansari Mayur Kamdar (Reuters) – Wall Street jumped on Wednesday, closing sharply higher as megacap growth stocks powered up thanks to a pause in rising interest rates, and upbeat earnings reports also encouraged investors to buy. The benchmark 10-year U.S. Treasury yield slipped from multi-year highs hit in the previous session, helping steady sentiment across global markets and boosting demand for growth stocks. Meta Platforms surged more than 5%, ending four sessions of deep declines that saw it lose almost a third of its value. The biggest boosts to the S&P 500 came f…