The U.S. Justice Department has filed suit to block Hewlett Packard Enterprise Co.’s proposed acquisition of Juniper Networks Inc. for $14 billion. Officials submitted the complaint today to the U.S. District Court for the Northern District of California.

WASHINGTON—The Justice Department on Thursday sued to block the tie-up of Hewlett Packard Enterprise and Juniper Networks, a $14 billion deal that would join the second-largest and third-largest providers of wireless networking solutions for large corporate customers.

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.

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,

The Justice Department is challenging Hewlett Packard Enterprise’s $14 billion bid for Juniper Networks, arguing the deal would stifle competition in enterprise

DOJ cited reduced competition in the wireless market as the biggest problem with the proposed $14 billion sale of Juniper Networks to Hewlett Packard Enterprise. The vendors say they plan to “vigorously defend the transaction in court.

The Department of Justice has sued to block a merger involving Houston’s largest publicly traded software company a year after the deal was announced.

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,