SoftBank and Foxconn said Friday that the two companies have formed a joint venture that could be worth $1.2 billion as the tech group plans a series of U.S. expansions. SoftBank of Japan and Apple supplier Foxconn said Friday that the two companies have formed a joint venture that could be worth $1.2 billion as the tech group plans a series of U.S. expansions that could create tens of thousands of jobs.