As the end of March nears, more and more people are looking to acquire stocks -- many just for a short time.

If they have stakes in certain firms on March 31, when many Japanese companies close their books, they may receive shareholder perks -- special treats, services or collector items given just to investors.

The wide range of perks is attracting more individual investors, and the number of firms that have introduced them has increased nearly threefold in the past decade as they look to woo loyal shareholders, experts said.