An Investment Banking friend recently shared a quote with me from David Einhorn. David was the President of Greenlight Capital, and has one of the best long-term investment track records on the street. From inception in May 1996 to the end of 2016, Greenlight Capital compounded at 18.9% pa net. He said:
[activistinvesting]
“"We do not sit around all day and try and figure out the precise value of individual stocks. Because those are not relevant to our actual ability to make decisions. So, if we have a stock and its $10 the goal is not to figure out if it’s worth $11 or $11.50 or $12. The goal is to figure out is it worth a lot more than...

