If You Had Invested $10,000 in AT&T in 2013, This Is How Much You Would Have Today

AT (NYSE: T) has a history dating back to the late 1800s. And over many periods of that long and storied history, it's been a fantastic stock to own.

However, over the last 10 years, AT stock has underperformed -- to say the least.

Let's dive in and see what's happened to this former stock market juggernaut.