Business & Finance Rackspace Hosting, Inc. (RAX) Shares Jump on Hewlett-Packard Company (HPQ) Rumors, HP Again Denies ThemBy Tim FrederickAugust 22, 2014 Rackspace Hosting, Inc. (NYSE:RAX) shares have jumped 2% today on a fresh round of rumors that Hewlett-Packard Company (NYSE:HPQ) is…