A day trader tries to make a profit by

Ainvesting only in blue chip stocks.
Bspeculating with borrowed money.
Creducing risky investments.
Dtaking advantage of minute-by-minute changes in stock prices.

Verified Answer :

The correct answer for the question that is being presented above is this one: "d. taking advantage of minute-by-minute changes in stock prices." A day trader tries to make a profit by d. taking advantage of minute-by-minute changes in stock prices.