Amazon.com is launching a new section to its app focused on items that cost $20 or less as the e-commerce leader looks to fend off rising competition from low-cost platforms Temu and Shein.

Amazon has launched a new outlet called Haul which caps the price of products on sale at $20 (£15.79), in an effort to take on low-cost retailers Temu and Shein. The online shopping giant ...