Around 212 stocks of companies with a minimum market capitalisation of Rs 500 crore have eroded investors wealth considerably in the first half of 2023, as per data analysed by ETMarkets. Most of the laggards were midcaps and smallcaps, though the broader markets have outperformed the largecaps in recent months. Adani Group companies dominated the list, with Adani Total Gas falling more than 82% YTD. Infosys was the worst performing stock in the frontline IT pack, and Hindalco Industries was among the severely affected largecap metal companies due to a demand slowdown.