AT&T-DirecTV deal? Blame Comcast!

Comcast's plan to buy Time Warner Cable could lead to a flurry of deals. There's speculation about an AT&T/DirecTV tie-up as well as a Sprint/T-Mobile merger. Good for investors but bad for consumers?

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CNNMoney assistant managing editor Paul LaMonica highlights the latest news from Wall Street and what's moving the markets in his daily investing commentary.