SAN JOSE, Calif (Reuters) – Internal emails show that executives at tech companies such as Apple and Google believed that an agreement to refrain from poaching each other’s workers would bring real financial benefits, a U.S. judge said on Thursday. Five former employees of various tech companies have filed a civil lawsuit against Apple Inc, Google Inc, Intel Corp and others, alleging an illegal conspiracy to eliminate competition for each other’s employees. At a hearing in San Jose, California federal court on Thursday, U.S. …