In a major show of confidence, personal computer manufacturer Dell (NYSE: DELL) is anticipated to see its stock benefit after its inclusion in the S&P 500 index.Although DELL is trading in tandem with the general stock market patterns, its addition to the benchmark index could offer more exposure, particularly to institutional investors, and add more credibility to the equity—factors central to triggering a possible price appreciation.Notably, Dell, which earned its incorporation alongside software giant Pa ...