Trader Brian Jones on Twitter: "People think the stock market's hard? But then you get times like this and if someone told me a Monkey became a Millionaire. I would believe them. Not sure how anyone could of lost money this week." / Twitter

People think the stock market's hard? But then you get times like this and if someone told me a Monkey became a Millionaire. I would believe them. Not sure how anyone could of lost money this week.