New Delhi, March 30 -- IRB Infrastructure Developers share price climbed nearly 11% on Monday, March 30, after the stock turned ex-bonus for its 1:1 bonus share issue. The construction company has fixed April 1 (Wednesday) as the record date for the bonus allotment.

Since stock markets will remain shut on March 31 (Tuesday) on account of Shri Mahavir Jayanti, investors need to buy the shares by today.

A bonus issue is the allotment of additional shares to existing shareholders free of cost out of a company's reserves and is often interpreted as a sign of confidence in future growth and financial stability. Although bonus shares increase the total number of shares outstanding, they do not alter the company's market capitalisation. They c...