Fly Intel: Top five analyst upgrades

Catch up on today's top five analyst upgrades with this list compiled by The Fly: 1. Disney (DIS) upgraded to Outperform from Neutral at Credit Suisse and to Buy from Neutral at Guggenheim. 2. Palo Alto Networks (PANW) upgraded to Buy from Neutral at BTIG with analyst Gray Powell saying his most recent channel checks continue to be positive. 3. Valvoline (VVV) upgraded to Overweight from Neutral at JPMorgan with analyst Jeffrey Zekauskas saying after a longer period of slower expansion, Valvoline is reaching an "inflection point in its growth rate." 4. Novavax (NVAX) upgraded to Overweight from Neutral at JPMorgan with analyst Eric Joseph saying he is "pleasantly impressed" by last night's initial immunogenicity/safety profile for NVX-CoV2373 in the Phase 1 COVID-19 vaccine results. 5. Otter Tail (OTTR) upgraded to Buy from Neutral at Sidoti with analyst Brian Russo saying he has raised his estimates on the plastics and utility outlook, adding that he views the stock's valuation as "attractive." This list is just a portion of The Fly's full analyst coverage. To see The Fly's full Street Research coverage, click here.