2020-04-27: 'I've Been Dreaming About This,' Nvidia CEO Says After $7B Mellanox Acquisition Deal Finally Closed. Why Nvidia's Stock Is Trading Higher Today. NVIDIA shares are trading higher potentially on overall market strength as some states announced their plans to reopen in phases. The company also announced the completion of the acquisition of Mellanox.. A Peek Into The Markets: US Stock Futures Signal Higher Start On Wall Street. NVIDIA Completes Acquisition of Mellanox