Do you know that only 18 companies in India earned more than 50% of the total profits of listed companies in FY 2011? That’s right, the largest listed companies hold a substantial portion of India Inc’s share of profits. How much does a company’s profitability matter when it comes to stock picking, especially as a long-term investment? “Undoubtedly, net profit is one of the most important factors to be studied while investing in any stock.