Catch up on today's top five analyst downgrades with this list compiled by The Fly: 1. Toll Brothers (TOL) downgraded to Market Perform from Outperform at Wells Fargo with analyst Truman Patterson saying although the shares trade at roughly Book Value, he believes the equity lacks a catalyst over the near-to-intermediate term to drive outperformance. 2. SQM (SQM) downgraded to Underweight from Neutral at JPMorgan with analyst Lucas Ferreira citing significant exposure to the deteriorating Chinese market. 3. Fortis (FTS) downgraded to Neutral from Outperformer at CIBC. 4. Splunk (SPLK) downgraded to Neutral from Outperform at Baird with analyst Rob Oliver citing the company's meaningful OCF reduction that stems from the accelerating move to ratable business and reducing up-front invoice durations. 5. Hemispherx (HEB) downgraded to Hold from Buy at Maxim with analyst Jason McCarthy citing capital concerns. This list is just a portion of The Fly's full analyst coverage. To see The Fly's full Street Research coverage, click here.