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Dave Portnoy, the poster child of the day-trading revolution, warned that it may come to a rapid halt once people with regular nine-to-five jobs return to work, and sports returns.
In an interview with Business Insider, Portnoy said: "It's probably a lot harder to be day trading and paying attention to the stock market when you have a normal nine to five job."
However, industry analysts disagree.
"There is no reason to think there will be some mass exodus once sports...