New Delhi, Dec. 23 -- One of the most common challenges investors face today is sifting through the daily deluge of share market news that comes across financial newspapers, online portals and social media forwards. There are perspectives on everything, from inflation and sector-specific policies to global market shifts and scores of quarterly company results. For an investor trying to build a balanced portfolio, this constant stream of headlines and stock news can feel less like information and more like noise, and can also sometimes trigger some emotional and untimely investment decisions.

The big question then, before every investor, is how one can cut through this overwhelming information flow to shortlist the few fundamentally stron...