A client asks his broker to enter a day order to buy 100 shares of COW at 36. Later in the day, he changes the order to a GTC order at the same price and for the same number of shares. What happens to the position of the order on the order book?
A) It loses its original position.
B) It stays in the same position.
C) The entire order is canceled until the next trading day.
D) It cannot be changed until the next trading day.
Answer: A) It loses its original position.