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The Relationship Between Stock and Option Price Changes
Diltz, J.David, (1996)
Stock returns and the transfer of information between the New York and Tokyo stock exchanges
Lau, Sie Ting, (1994)
EQUITY INVESTMENTS - The Profitability of Day Traders - About twice as many day traders lose money as make money, but roughly 20 percent make substantial profits.
Jordan, Douglas J., (2003)