At 9.37 am, the BSE Sensex was trading 354 points or 0.68 per cent higher at 52,176. Nifty50 was trading at 15,536, up 123 points or 0.80 per cent. Midcap and smallcap indices gained up to 0.8 per cent. Powell said the US Fed is not trying to engineer a recession to stop inflation but is fully committed to bringing prices under control even if doing so risks an economic downturn.