Catch up on today’s top five analyst upgrades with this list compiled by The Fly: 1. Lowe’s (LOW) upgraded to Outperform from Market Perform at Raymond James with analyst Budd Bugatch saying he views Lowe’s shares as more attractive following the third quarter beat. 2. T-Mobile (TMUS) upgraded to Buy from Neutral at MoffettNathanson. 3. GlaxoSmithKline (GSK) upgraded to Buy from Neutral at UBS with analyst Michael Leuchten saying concerns of continuing earnings decline and the dividend sustainability are now overdone. 4. Ciena (CIEN) upgraded to Buy from Neutral at BofA/Merrill with analyst Tal Liani saying shares are at the low end of the historical range and the earnings growth profile is attractive. 5. Constellium (CSTM) upgraded to Outperform from Market Perform at Cowen with analyst Novid Russell saying the company’s rapid deleveraging has allowed investors to focus on its significant growth projects, attractive end markets, and valuation discount relative to peers. Russell raised his price target to $13 from $11 on Constellium shares. This list is just a portion of The Fly’s full analyst coverage. To see The Fly’s full Street Research coverage, (click here.):(http://thefly.com/streetResearch.php)