"Use tight stops and you will end up only holding good quality...

"Use tight stops and you will end up only holding good quality stocks, as all the ones that are trending negative get sold out automatically, due to you tight stop losses"

The other way to look at it is that tight stops have caused many to get out of a stock and regret it many times over the years.

Tight stops are for traders. Investors using a researched long term investment program do not need them. I never use a stop loss.