Shares of HDFC Life Insurance were in focus today after the insurance sector regulator IRDAI gave its final approval to merge Exide Life into the company. HDFC Life Insurance stock gained 2.5 per cent to Rs 533.45 against the previous close of Rs 520.65 on BSE. The stock has fallen 25 per cent in 2022 and lost 19.75 per cent in a year.Total 0.12 lakh shares of the firm changed hands amounting to a turnover of Rs 62.58 crore on BSE. Market cap of the firm rose to Rs 1.13 lakh crore on BSE.