What are the world's biggest e-commerce acquisitions?

US-based retail giant Walmart agreed to buy 77% stake of Flipkart for $16 billion, making it the largest e-commerce deal in the world. Before this deal, the world's biggest such deal was when US retail giant PetSmart acquired online pet store Chewy for $3.35 billion in 2017. In 2016, Walmart had acquired American e-commerce firm Jet.com for $3.30 billion.