14 listed companies, totaling a value of ₹10.1 lakh crore, that’s the value held in the stock market by the salt to software conglomerate Tata Sons. The massive rally in Tata Steel due to the global metal supercycle, supported by Tata Motors and Power as well has supported the upmove largely given by the heavyweight TCS. Overall the value of Tata Sons’ holdings is up a whopping 86% in just one year.