Fly Intel: Top five analyst upgrades

Catch up on today's top five analyst upgrades with this list compiled by The Fly: 1. Westlake Chemical (WLK) upgraded to Sector Perform from Underperform at Scotiabank with analyst Ben Isaacson believing petrochemical margins will remain above mid-cycle levels through early 2022 and that polyvinyl chloride will "remain strong for quite some time." 2. MarineMax (HZO) upgraded to Buy from Neutral at B. Riley with analyst Eric Wold saying elevated new boat demand remaining intact after recent channel checks indicated buyers are willing to wait out this boating season to get desired models. 3. Cimarex Energy (XEC) upgraded to Buy from Neutral at BofA with analyst Doug Leggate acknowledging the prospects that oil price strength may be sustained beyond BofA's current view. 4. Pioneer Natural (PXD) upgraded to Outperform from Market Perform at Bernstein with analyst Bob Brackett finding all North American exploration and production names attractive. 5. Eastman Chemical (EMN) upgraded to Outperform from Sector Perform at Scotiabank with analyst Ben Isaacson saying Eastman should continue to re-rate as it sheds weaker businesses, having "ample balance sheet firepower" to keep upgrading its portfolio. This list is just a portion of The Fly's full analyst coverage. To see The Fly's full Street Research coverage, click here.