Shares of Paytm and CAMS surged 3 percent, reaching 52-week highs of Rs 952 and Rs 5,098.80, respectively. CAMS has seen an 89 percent increase year-to-date, while Paytm has gained 47 percent. Their inclusion in the F&O segment is expected to enhance liquidity and open new trading opportunities, also qualifying them for potential entry into the Nifty 50 index.