“Given all the current success at tech stock Apple Inc, it’s easy to forget how much the company has actually grown over the past five years,” Anthony John Agnello writes for InvestorPlace. “Apple stock investors become desensitized to the ever-climbing share price, the torrent of inflating analyst expectations for both earnings and product sales.”

“Apple is not just booming but competitors are going bust. Thanks to ever increasing market share, Apple could be the world’s leading smartphone manufacturer in the world, in terms of how many it ships out to retailers, by the first quarter of 2012,” Agnello writes. “An IDC report last week noted 18.7 million iPhones were shipped worldwide during the first quarter of 2011, netting Apple an almost 19% share of the overall smartphone market. Not bad considering Apple only has the iPhone while Google has scores of handsets runnings its Android OS and Motorla (NYSE: MMI) has a dozen or so models on the market at any given time.”

Agnello writes, “Here are three companies in particular that are being slowly killed by the iPhone [RIM, Nokia, and Sony Ericsson]. These companies aren’t sunk yet, but they need to dramatically reinvent their smartphone business before Apple drowns them for good.”

Read more in the full article here.

[Thanks to MacDailyNews Reader “Fred Mertz” for the heads up.]