Investment firm TD Cowen has reiterated a bullish stance on Amazon (NASDAQ: AMZN) even as the stock faces short-term bearish pressure.Specifically, the firm’s analyst John Blackledge assigned the stock a ‘Buy’ rating while maintaining a $350 price target, implying a potential upside of about 32% from Amazon’s press-time value of $264.AMZN one-week stock price chart. Source: FinboldThe updated outlook follows Amazon’s launch of Supply Chain Services, a logistics offering aimed at third-party businesses beyon ...