The Agony & The Ecstasy

Michael Cembalest and the team from JP Morgan Asset Management are out with an update to one of my favorite research reports ever. They first wrote about the risks and rewards of a concentrated stock position in 2004, updated it in 2014, and are out with version 3.0 today.
This data point has had as big an impact on how I see the world of investing as anything else:
More than 40% of all companies that were ever in the Ru…

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