Catch up on today’s top five analyst upgrades with this list compiled by The Fly: 1. Citi (C) upgraded to Buy from Hold at HSBC with analyst Alevizos Alevizakos saying he sees improved profitability in the near-term, driven by U.S. dollar depreciation and tax reform, re-rating the shares higher. 2. BHP Billiton (BHP) upgraded to Buy from Hold at Deutsche Bank with analyst Liam Fitzpatrick saying the shares offer compelling value at current levels. 3. Mattel (MAT) upgraded to Hold from Underperform at Jefferies with analyst Stephanie Wissink saying the company’s near-term risks are largely known and priced into the shares. 4. AeroVironment (AVAV) upgraded to Buy from Hold at Stifel with analyst Joseph DeNardi saying he sees the company benefiting from tailwinds including an improving defense budget environment, a heightened global threat environment, and “as strong a pipeline of opportunities” as he has seen in ten years. 5. Helmerich & Payne (HP) upgraded to Market Perform from Underperform at Wells Fargo with analyst Judson Bailey citing strength in the land rig market. 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)