Domestic investor wealth plummeted by nearly Rs 5 lakh crore on Friday as equity markets crashed tracking global equity selloff amid rising uncertainty over the economic impact of coronavirus outbreak. Market capitalisation (m-cap) of BSE-listed companies saw a massive decline after the 30-share index sank 1,100.27 points, or 2.77%, to 38,645.39, and the NSE Nifty cracked 329.50 points, or 2.83%, to 11,303.80.