One of the biggest mistakes investors make is staying with a big company simply because it is big, and thus thought to be safe. One of the most commonly-held stocks here at Seeking Alpha, AT&T (NYSE:T), fits that description well. AT&T is considered the ultimate "safe" stock, and its management does all it can to maintain that reputation. Over the last five years, for instance, it has increased its dividend steadily, year-by-year, from 44 cents per share to the present level of 47 cents. It has delivered 42% in capital gains, which also sounds great. Read more