There are those companies that boast about how the sky is the limit and there are those such as Apple that prove every quarter what true limitless execution is all about. Even more remarkable is the thought that Apple's growth prospects may not yet be fully reflected in its stock price -- even as it battles rivals Google ( GOOG), Samsung and Microsoft ( MSFT). Without a doubt, Apple remains the cheapest stock on the market now and for the foreseeable future. Follow @rsaintvilus At the time of publication, the author was long AAPL and held no position in any of the other stocks mentioned. This article was written by an independent contributor, separate from TheStreet's regular news coverage.