Bloomberg Xiaomi Corp. sued the US Defense and Treasury departments, challenging a blacklisting that blocks American investors from buying the Chinese smartphone giant’s securities. The lawsuit came after the Defense Department determined earlier this month that China’s biggest smartphone maker was affiliated with the People’s Liberation Army. Beijing-based Xiaomi called the blacklisting “unconstitutional” and seeks a court ruling to reverse …

Bloomberg Apple Inc. Chief Executive Officer (CEO) Tim Cook lambasted tech giants for “data exploitation” and called for reform around the practices of selling user data to target ads. The iPhone maker is rolling out new privacy features that restrict how mobile apps such as those from Facebook Inc. and Alphabet Inc.’s Google gather data about users to target ads. …

Bloomberg Airlines could “substantially” reduce their fuel consumption if planes become more efficient at riding the wind, according to new research. Commercial flights between New York and London during the 2019-2020 winter could have used as much as 16% less fuel if pilots had taken full advantage of the jet stream, scientists at the University of Reading said in a …