Amazon is rising after hiking the price of a monthly Prime membership (AMZN)

David Ryder/Getty Images Amazon's stock price rose on Friday after it announced it was increasing its monthly subscription fees. Amazon Prime memberships are a crucial part of the company's ecommerce empire because they represent loyal customers who spend the most on its platforms. You can view Amazon's real-time stock price here. Shares of Amazon rose on Friday after the company announced it was increasing the prices on its monthly subscriptions. The company said it will raise the fees on its m...