Shares of MercadoLibre Inc. are heading for their biggest two-day slump since November on concern that Amazon.com Inc.’s latest move in Brazil will ramp up competition in the e-commerce segment.

Amazon's new private label brand, Amazon Grocery, includes new items including fresh bakery cinnamon rolls, refrigerated pizza dough and lemonade.

"If you want to become a hyper successful seller, it's a numbers game," said Dave Dama, who built two top-ranking Amazon ...

PLGuys, a third-party logistics provider specializing in Amazon FBA and eCommerce services, has announced the launch of ...