Add Your News Huawei to invest $632 mln to build new digital energy HQ in Shenzhen Huawei Technologies (HWT.UL) will spend 4 billion yuan ($632.52 million) to build a new headquarters and R&D centre for its digital power unit, according to local media reports, as the Chinese telecoms giant diversifies amid U.S. pressure. Huawei Digital Power signed an agreement on Thursday with the local government of the southern metropolis of Shenzhen, where its parent is headquartered, for the project, the 21st Century Herald newspaper reported. The signing was part of a larger event held by Shenzhen to mark the launch…