Mint Primer | Shades of grey: Inside the world of pre-IPO trading

The grey market in equity trading is in the limelight after retail investors were taken to the cleaners during the mega ₹12,500-crore IPO of HDB Financial Services.

source https://www.livemint.com/market/stock-market-news/grey-market-pre-ipo-trading-retail-traders-hdb-financial-gmp-premium-equity-investors-11751198014794.html