If you're looking for a good resource and some good news websites for staying on top of ecommerce news there's a good list of websites at the link below.
https://blog.2checkout.com/best-ecommerce-news-websites/
Retail Dive and Web Retailer are a few of the websites I browse myself for ecommerce news.
But there are 24 websites listed on that website that are all good.
Hope they help you out and good luck in your business.