Subtitles section Play video Print subtitles don't $74 billion. That's how much money China's Alibaba racked up in sales as it concluded its singles day shopping extravaganza on Wednesday spread across four main selling days this year. Sellers on Alibaba's platforms saw 21 times as many orders by value as Amazon's two day global prime day last month. Singles Day is the world's biggest sales event, even eclipsing Black Friday and cyber Monday in the U. S. Shoppers across Alibaba's platforms were able to score additional discounts by playing mobile games for deals, combined purchases across shops and place orders in the sales early hours to get the best offers. Economists watch singles day with a keen eye to gauge the health of the Chinese economy, which has snapped back sharply after the health crisis dampened economic activity earlier this year. Singles Day was launched in 2009 and is usually a glitzy one day event with live performances by celebrities. Wednesday's Big Hall might take some of the heat off Alibaba as far as investors are concerned. The stock plunged 10% on Wednesday during the Asian trading day after China published draft antitrust rules cracking down on Internet platforms. But shares traded in the U.