Why Shopify Stock Jumped 25.3% in June

Shares of Shopify (NYSE: SHOP) gained 25.3% in June, according to data from S&P Global Market Intelligence. Walmart announced on June 15 that it would feature select Shopify stores on its third-party online retail marketplace -- a development that could have big implications for the competitive landscape in the e-commerce space. Walmart is investing to build its online retail business, and bringing products from Shopify stores on to its e-commerce platform could help both companies challenge Amazon.com's dominance in the space.