A programming language is a set of written symbols that instructs the computer hardware to perform specific tasks. Typically, a programming language consists of a vocabulary and a set of rules (called syntax) that the programmer must learn. 1st generation of programming languages.
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E-commerce giant Amazon.com (NASDAQ:AMZN) is one of America's most prominent growth companies. In the last decade, revenue has surged 12-fold -- and Amazon.com stock has nearly kept pace. \ AMZN Revenue (TTM), data by YCharts Still, this isn't a stock for the faint of heart.Amazon is valued at more than $150 billion despite running at approximately breakeven. Anything less than stellar performance could lead to a sharp drop in Amazon.com's stock price. Here are 3 reasons why Amazon shareholders should be wary.Too much on its plate An underappreciated risk facing Amazon.com is its loss of strategic focus.argins may not improve much. Amazon's loss of focus has led directly to a second problem: low margins. A decade ago, when Amazon was clearly focused on dominating one niche, it earned a respectable 6.5% operating margin. Amazon's operating margin has since plummeted to less than 1% -- and it's still falling.