The telecom giant's yield may be high, but investors shouldn't assume the dividend is at risk. A high-yielding stock can be a valuable asset in your portfolio because it can generate a lot of recurring income. Investors can often find great dividend stocks in the telecom sector, where companies typically have a lot of recurring and consistent revenue themselves since demand for what they offer is generally stable. AT&T (T 0.14%) is an excellent example of that. The company is a leader in the telecom industr ...