Revisiting this article (research) again:
Do Individual Day Traders Make Money?
Evidence from Taiwan
http://faculty.haas.berkeley.edu/odean/papers/day traders/day trade 040330.pdf
the occasional day traders can be those that are trading their retirement accounts:
they fair far worst than heavy day traders. It is obvious those that day trading their retirement accounts will be wiped out
More proofs are coming
Do Individual Day Traders Make Money?
Evidence from Taiwan
http://faculty.haas.berkeley.edu/odean/papers/day traders/day trade 040330.pdf
the occasional day traders can be those that are trading their retirement accounts:
they fair far worst than heavy day traders. It is obvious those that day trading their retirement accounts will be wiped out
More proofs are coming