Make a quick stock exchange, perhaps

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

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