http://supertechnews.com/mobile-phones/jpmorgan-upgrade-causes-tw-telecom-shares-to-jump/ Tw telecom Inc shares have hit a yearly high propelled by a JPMorgan upgrade on expectations for a recovery in the business telecommunications market reports an article over on google.com.Mike McCormack a JPMorgan analyst in a note to investors raised the company to “overweightâ€... Thu, 12 Nov 2009 13:05:04 CST en