Choose Correct word in Bold

Suppose you are an investor who owns shares of Facebook stock. If the Fed implements a stimulative monetary policy, then interest rates will (increase/decrease). If, as a result of the policy implementation, you believe that the economic conditions are much worse than anyone is anticipating, and that sales and earnings for Facebook could decrease significantly in the near future, then you believe that the value of the stocks will (increase/decrease), and as a result, your shares of Facebook stock would (increase/decrease) in value.