India National Stock Exchange Limited, the world's largest derivatives exchange operator by trading volume, has reduced the size of its initial public offering — from 148.9 million shares to 126.4.4 million shares, which indicates that investors are increasingly concerned about whether they are willing to subscribe at the valuation sought by the company.

India National Stock Exchange Limited, the world's largest derivatives exchange operator by trading volume, has reduced the size of its initial public offering — from 148.9 million shares to 126.4.4 million shares, which indicates that investors are increasingly concerned about whether they are willing to subscribe at the valuation sought by the company.