better invest our time in developing a crystal ball instead of a trading system?
http://www.rules.house.gov/111/AmndmentsSubmitted/hr384/61_111_hr384_welch.pdf
better invest our time in developing a crystal ball instead of a trading system?
http://www.rules.house.gov/111/AmndmentsSubmitted/hr384/61_111_hr384_welch.pdf