OldShooter
Give me a museum and I'll fill it. (Picasso) Give me a forum ...
We probably agree. Over the long term EMH has to work, but over the short term (<5 years or even 10) behavioral finance correctly observes that emotions and illogical behaviors can be a big influence on individual stocks and even on asset classes.... I will add that I do think that EMH has validity, but in the soft sense. ...
There is a very good video of Fama and Thaler discussing this: Are markets efficient? | Chicago Booth Review Basically I think they are both right.
Fama's last comment: "In general, it would be useful to know to what extent all economic outcomes are due to rational and irrational interplays. We don’t really know that." Me, too.