Tata Group stocks shed $3.2 billion in market cap amid rift over Tata Sons listing

By noon, about $3.16 billion had been chipped off the combined market cap of listed Tata Group companies, versus about $268.5 billion at Thursday’s close.By noon, about $3.16 billion had been chipped off the combined market cap of listed Tata Group companies, versus about $268.5 billion at Thursday’s close.