Benefiting from strong demand for their wireless and broadband services, AT&T (T)  and Verizon (VZ)  stock have provided a pleasant hedge against market volatility this year.Not too far off their 52-week highs, AT&T’s stock is up +20% year to date, with Verizon shares sitting on respectable gains of +9% compared to the S&P 500 and the Nasdaq's declines of -1%.Image Source: Zacks Investment Research AT&T & Verizon’s 5G Growth Sparking investor interest in AT&T and Verizon stock is their continued expansion o ...