The three Americans proved that it's virtually impossible to predict how the value of a share might go up or down in the short-term.

2013 Prize in Economic Sciences awarded to: Eugene F.Fama, Lars Peter Hansen & Robert Shiller #NobelPrize pic.twitter.com/hOkPHQqi7W

— Nobelprize_org (@Nobelprize_org) October 14, 2013

The prize committee said their work had had a "profound impact" in how investors try to assign a value to any particular asset.