Source : AIStocks across Asia plunged on Friday as investors girded for interest rate clues from Federal Reserve Chair Jerome Powell’s upcoming speech at the annual Jackson Hole symposium.The retreat comes despite Japan reporting slower-than-expected inflation that could give its central bank space to hold off on tightening policy.Powell’s remarks, slated for Friday, will be scrutinized for any fresh rate hike hints. Another sharp 75 basis point increase is expected at the September FOMC meeting. But the markets are focused on whether the Fed could ease back its aggressive pace of hikes after September.Nikkei Sinks Nearly 2%, Led by Plunge in Tech SharesThe Nikkei 225 in Japan shed nearly 2%, recording the steepest losses across the Asia-Pacific region.The index was dragged