During the 1920s, many American investors bought stock "on margin." What does the phrase "on margin" mean? Responses They compared prices to those available on the European market and only paid the marginal difference. They compared prices to those available on the European market and only paid the marginal difference. They purchased stock through corporations instead of buying it privately. They purchased stock through corporations instead of buying it privately. They used cash for a portion of the stock purchase price and borrowed money to pay for the rest. They used cash for a portion of the stock purchase price and borrowed money to pay for the rest. They paid full price for some stocks but only a fraction of the price for government-owned stocks.