1. Amazon

amazon.com

2. Ebay

ebay.com

3. Flipkart

flipkart.com

4. Alibaba

alibaba.com

5. Walmart

walmart.com

6. Target

target.com

7. Newegg

newegg.com

8. Shop

shop.com

9. Best Buy

bestbuy.com

10. Overstock

overstock.com