** Shares of Hewlett Packard Enterprise HPE.N fall over 3% to $20.95, and Juniper Networks JNPR.N drop 3.4% to $33.94

** The U.S. Department of Justice sues to block HPE's $14 billion acquisition of JNPR

** DOJ argues that the deal would eliminate competition; says HPE trained its engineers and salespeople to "beat" Juniper when competing for contracts

** HPE fell ~26% in 2024, while JNPR rose 27%

(Reporting by Juby Babu in Mexico City)

((Juby.Babu@thomsonreuters.com;))