Answer:
The correct answer is the option A: Shorting stock.
Step-by-step explanation:
To begin with, in the world of the investments the term known as "Short Selling" refers to trading strategy that is famously known due to the fact that is totally speculative because the investor who buys the stock does not plan on keeping it for a long period of time but instead he plans to sell right away once that the price has risen up from its original price. Therefore that when an institutional investment firm buys stock in a company in anticipation of the stock going up with no intention of holding the stock and then selling to make a quick profit then the investors are selling in short