Al Franken is particularly concerned about whether Apple has stymied competition in the music-streaming business by controlling its own application marketplace.
The investigations will determine whether Qualcomm was in violation of antitrust regulations in the European Union, and could mean significant fines for the company, if it's found guilty.
Lengthy download times have been reported by European users.
Europe's regulators want to know whether Amazon's deals with book publishers require them to inform the e-retail giant of more favorable terms from rivals.
In a letter to the attorneys general of New York and Connecticut, lawyers for the Universal Music Group say the label hasn't engaged in anticompetitive practices with Apple over free streams from Apple rivals like Spotify.
An administrative law judge for the US International Trade Commission sides with Samsung on a patent dispute with Nvidia.
The social network's head of public policy in Europe says changes to how regulations are handled there could prompt Facebook to stop bringing new features to its service.
Ravens have demonstrated a behaviour previously only observed in primates: Recognising and punishing selfish fellows.
Technically Incorrect: An Uber driver is subjected to racially tinged, angry invective from an NYPD officer, while a passenger films the whole thing.
As part of its ElectRx program, which seeks to heal by treating the body like the electrical system it is, the government agency has awarded grants to seven teams.