Lots of big investment firms, such as hedge funds, had bet on GameStop to lose a lot of value, meaning they borrowed shares in the company and then sold them, with a promise to buy them back at a later date. This is called “short selling” or “shorting” and the idea is to make money as the share price falls.
However, charity shops are better prepared this time, Mr Osterley said. Take for example Stockport hospice charity, Beechwood Cancer Care. There's been a queue of customers at its Heald Green precinct. But it is only open to shoppers, not droppers, this week.