Which of the following is not one of the characteristics of the stock market in the months leading up to the october 1929 crash?
a. there was a frenzied upsurge in stock prices.
b. the market value of all stocks more than tripled in four years.
c. stockbrokers lending buyers up to 75 percent of a stock's cost
d. steep income-tax hikes suddenly cut the flow of money into the market.
e. investment trusts lured novices into the market