Answer:
The answer is 'Buy a Stock Index Future'
Step-by-step explanation:
To take best advantage of this situation, Mr Smith should go long(buy) on this stock.
Stock Index Future js a method of derivates. Futures, like forward contract is a forward commitment which obligates the buyer to purchase an asset or the seller to sell an asset and have a predetermined future date and price. Future is used to hedge against worse future situations.