Which of the following would lead to an increase in a firm's share price?

Which of the following would lead to an increase in a firm’s share price?

Which of the following would lead to an increase in a firm’s share price?
A . Management announces that profits are still rising in line with the forecasts in its published 5 year plan
B . Management announces that profits will be higher than had previously been forecast
C . A rise in the rate of interest available from investing in government securities
D . Management announces that new laws on working conditions have forced them to close a profitable factory earlier than had been expected

Answer: B