Gamble on the market, in a way

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

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