AT&T said Monday it will buy DirecTV for $48.5 billion to gain more than 38 million video subscribers. AT&T will pay $95 in cash and stock for each share of DirecTV. With the transaction, AT&T said its high-speed broadband network will cover 70 million customer locations. And speaking of millions, GoPro filed to raise $100 million in an IPO early this week. The Silicon Valley-based company makes cameras used to capture sports action from players' perspectives. Finally, JPMorgan Chase revealed Tuesday its plan to invest $100 million over five years into bankrupt Detroit. The funds will go to home mortgage loans, job training and blight removal.