Engage in risky business

• Try to make a quick profit in the stock market
• Make a quick stock exchange, perhaps
• Do some quick market work
• Quick, speculative stock transaction
• Seek quick stock profits
• Gamble on the market, in a way
• Try for a quick market profit
• Do some stock speculating

Wiktionary Word definitions in Wiktionary
n. (alternative form of day trade English) vb. (alternative form of day trade English)