BEIJING - Chinese e-commerce giant Alibaba Group Holding Inc. held its annual "Singles' Day" shopping event Monday, raking in a record-breaking $30.7 billion in sales within the first 18 hours.Alibaba has turned Singles' Day, which originated in the 1990s in China as an anti-Valentine's day for single people, into the world's biggest online shopping bonanza in just over a decade.This year's 24-hour shopping extravaganza kicked off with a countdown gala at an arena in Shanghai, where a handful of entertainers including pop diva Taylor Swift performed in a live concert.Meanwhile, millions of …READ FULL ARTICLE