With speculation on sub-reddits like WallStreetBets suggesting GameStop’s value might increase, users began to realise they were moving the stock price upwards. Download this stock image: THE BIG SHORT 2015 Plan B Entertainment film with Margot Robbie - M5RKK2 from Alamys library of millions of high resolution. GameStop won’t stop and even Trevor Noah and Margot Robbie are taking a bath Thursday after. Because a stock can technically rise to any value, losses stemming from a stock ‘short’ can be infinite – so it’s a risky strategy to take. Trevor Noah explains GameStop as bubbly Margot Robbie from 'The Big Short' in new viral video. This is because they’ll be forced to buy back the stock at a higher price to give to the person they borrowed it from. If their assumption is wrong, and the stock price goes up, then they’ll lose money. However, a stock ‘short’ only works if the stock price decreases in value – which is why hedge funds and investors use it to bet against the future value of a company. If the stock goes down, the investor can then buy back the stock at a lower price, return the stock to the person they borrowed it from, and the investor will retain a profit. for absolutely no specific reason at all, heres margot robbie explaining shorting. The investor then sells the borrowed stock at the market price (which they think is inflated). From the outrageous mind of director Adam Mckay comes The Big Short. To short a stock, an investor will temporarily borrow some stocks from an existing stockholder with the promise they’ll give the stock back in the future. If an investor thinks that the future stock price of a company is going to decrease, they can opt for what’s called a ‘stock short’.