Peers Nvidia NVDA.O and Marvell Technology MRVL.O gained over 1% each. By Bansari Mayur Kamdar and Johann M Cherian July 28 (Reuters) - Wall Street opened higher on Friday after data signaling easing inflation pressures added to hopes that the Federal Reserve's policy tightening was ending, while chip stocks rose as Intel posted a surprise quarterly profit. The Bank of Japan made its yield curve control policy more flexible and loosened its defense of a long-term interest rate cap, in moves seen by investors as a prelude to an eventual shift away from massive monetary stimulus.