Shopify looks to be mirroring Amazon stock price and it's rebounding from the trough of Nov 11th showing strength. However, unlike Amazon, Shopify has a much healthier upside potential.

Every quarter Shopify has exceeded the analysts anticipated earnings, and if an economic downturn arrives, you can expect a surge in new entrepreneurs and retails starting new businesses using Shopify. 

Looking at the ecommerce reviews. They all rate Shopify at the top:

http://www.capterra.com/ecommerce-software/#infographic

http://ecommerce-platforms.com/ecommerce-reviews/the-ultimate-shopify-ecommerce-review

http://www.cio.com/article/2449485/e-commerce/e-commerce-6-top-ecommerce-platforms-for-do-it-yourself-small-businesses.html

http://www.inc.com/bill-carmody/top-5-ecommerce-platforms-in-2016.html

By the way - the new Agoracom site looks great and runs fast!