. The current Minimum Initial Margin requirement is 50%. . Maintenance Margin requirements are 30%. . You buy 1,000 shares of Acme Enterprises for a price of $50 per share, using the maximum amount of borrowed money allowable. The day after you buy, the stock price rises to $55 per share. On the second day it drops to $40 per share. With the stock at $40 per share now; How many more whole shares of stock can you now buy without adding any money to your account? As always, enter the whole number of shares without any punctuation. You cannot buy partial shares. o BI