An investor buys 200 shares of ABC at the market price of $100 on full margin. The initial margin requirement is 40 percent and the maintenance margin requirement is 25 percent. If the shares of stock later sold for $ 200 per share, what is the rate of return on the margin transaction

单项选择题The use of interest rates to forecast future stock prices is ruled out by which form of market efficiency

单项选择题Toby Jensen originally purchased 400 shares of CSC stock on margin at a price of $60 per share. The initial margin requirement is 50 percent and the maintenance margin is 25 percent. CSC stock price has fallen dramatically in recent months and it closed today with a sharp decline bringing the closing price to $ 40 per share. Will Jensen receive a margin call