Catch up on today's top five analyst downgrades with this list compiled by The Fly: 1. Symantec (SYMC) downgraded to Neutral from Buy at UBS with analyst Fatima Boolani citing a more balanced risk/reward. 2. Jack in the Box (JACK) downgraded to Sector Weight from Overweight at KeyBanc and to Market Perform from Outperform at Telsey Advisory. 3. Grainger (GWW) downgraded to Sell from Hold at Deutsche Bank with analyst John Inch saying the company is "positioned to quickly lose share" as competitors respond with price cuts of their own. 4. Stratasys (SSYS) downgraded to Hold from Buy at Jefferies with analyst James Kisner citing the recent rally in the shares and uncertainty around the timing of new manufacturing opportunities. The analyst raised his price target for the stock to $30 from $24 following the company's first quarter results. 5. Endologix (ELGX) was downgraded to Equal Weight from Overweight at Stephens, to Neutral from Buy at BTIG, and to Hold from Buy at Stifel. This list is just a portion of The Fly's full analyst coverage. To see The Fly's full Street Research coverage, click here.