The US Justice Department sued to block Hewlett Packard Enterprise Co.’s $14 billion acquisition of Juniper Networks Inc., arguing the tie-up would harm competition in the market for enterprise wireless equipment used by large companies,

The Justice Department on Thursday sued to block Hewlett Packard Enterprise from buying Juniper Networks for $14 billion. Why it matters: This is the first antitrust case filed by the Trump administration,

Hewlett Packard Enterprise shares are trading lower Thursday after the U.S. Department of Justice (DOJ) filed an antitrust lawsuit to block its proposed $14 billion acquisition of Juniper Networks.