The Indian equity benchmarks suffered their biggest weekly loss of 2022 for week ended June 17 after the rate hike by the US Federal Reserve sent global equity markets into tailspin. The Sensex plunged 5.42 per cent or 2,943 points to close at 51,360 and Nifty 50 index crashed 5.6 per cent or 908 points to end at 15,293.