Amazon stockhas not been in a hurry to move any higher. Some may not have realized, but shares of the cloud and e-commerce giant trade today a few percentage points below early September 2020 levels – nearly a full year of largely sideway movements in the market.One Wall Street expert, however,believesthat AMZN has a very long runway ahead. According to Susquehanna analyst Shyam Patil, the stock has 50% upside from here, and he thinks that now is a “great time to buy” shares.But the bullish Susq