Kotak Mahindra Bank and Ajmera Realty Infra India will trade ex-date for their stock splits on January 14. A stock split divides existing shares into multiple new shares, reducing the price per share without altering the total market capitalization. Kotak Mahindra Bank stated its split aims to make shares more affordable and boost liquidity for retail investors. Investors must hold shares on or before January 14 to be eligible for the split.