Trader Brian Jones on Twitter: "Everyday the market's up or down 3%. Traders are making fortunes. Today wan't difficult. Even if you started the day in cash. You short the open. Then cover and take profit. Then go long on the Bloomberg news." / Twitter

Everyday the market's up or down 3%. Traders are making fortunes. Today wan't difficult. Even if you started the day in cash. You short the open. Then cover and take profit. Then go long on the Bloomberg news.