Why One 97 Communications, parent of Paytm, shares gain 5% in weak market?

One 97 Communications, parent company of Paytm, shares gained 5.2 per cent on Monday, logging an intraday high at Rs 782.8 per share on BSE. The northward rally in the stock came after the company arm Paytm Cloud Technologies’ board approved an investment of $1 million (Rs 8.7 crore) in Seven Technology LLC.