Alibaba’s ‘Singles Day’ in China Hit by Global Supply Strains

China’s biggest shopping season is getting squeezed by the global supply-chain crunch.

The annual shopping festival, known as “Singles Day,” has over the years grown from a one-day shopping event into weeks of promotions that rake in more revenue than Black Friday and Cyber Monday combined. While Chinese e-commerce platforms reported more sales than ever this year, the event was dampened by production snarls.