<h1>Market volatility erodes investor wealth as global sell-off triggers sharp equity and sectoral declines.</h1> A synchronised global equity sell-off drove steep domestic benchmark declines, sharply eroding investor wealth and reducing market capitalisation in one trading session. Most large-cap constituents and a broad range of sectoral indices fell heavily, while midcap and smallcap gauges also tumbled and many stocks registered 52-week lows, reflecting intensified recession fears, trade tensions and weakening commodity prices.