In a filing, Qualcomm discloses it is being investigated by the European Commission for anti-competitive behavior over its radio frequency chips (Stephen Nellis/Reuters)

Stephen Nellis / Reuters:
In a filing, Qualcomm discloses it is being investigated by the European Commission for anti-competitive behavior over its radio frequency chips  —  (Reuters) - Qualcomm Inc on Wednesday detailed the first significant sales gains from a new category of chip it is selling to mobile phone makers …