A nice article showing that holding winners is a trying experience.
For example Amazon – “The near-95% crash following the tech bust is the one most people point to. The stock was underwater from 1999 to 2009! But there was a 54% crash from 2005-2006, a 58% dive in 2008 and 5 separate losses of 25% or worse since 2009.“
Why is it so hard – “Since 1980, more than 40% of all companies in the U.S. stock market have experienced a decline of 70% or worse without recovering.“
This link has a full analysis of the business “failures” 2017-2020 which is worth reading.