One97 Communications, the parent company of fintech platform Paytm, has seen a smart-rebound rally in the last few weeks, following a challenging period at Dalal Street. The stock has been flirting with Rs 1,000 mark, after tripling investors' money from its 52-week low at Rs 310, hit in May this year. The stock surged to a 52-week high of Rs 1,007 on Monday amid a deal with PayPay Corporation in Japan.