There is an exception under the US Securities laws against market manipulation that allow an IPO's underwriters to make a "stabilizing bid" (IPO price) to keep a stock from falling as a "market" is created for the new issuance. Needless to say they did not support the stock after the first day of trading :) http://www.investopedia.com/terms/s/stabilizingbid.asp

Sounds like any profession for the average person (of more limited means) where you are better off working for someone else, as only limited economic gain in working for yourself versus a "psychic" analogy. Trades consume a decent amount of money and often take some time to develop. Maybe that could be an idea for a future site/platform to track the performance of their recommendations, even if the wise people read their research and ignore their recommendations.