Catch up on today's top five analyst upgrades with this list compiled by The Fly: 1. Oracle (ORCL) upgraded to Outperform from Market Perform at BMO Capital with he firm saying it believes that the company's operating income will become more consistent and grow more quickly, as its operating margin comes in "flat to modestly higher" in fiscal 2017 and fiscal 2018. 2. Owens Corning (OC) upgraded to Neutral from Sell at Goldman with the firm saying it believes recent storm activity will aid in shingle demand and improve pricing. 3. Pinnacle Foods (PF) upgraded to Buy from Neutral at Goldman with analyst Jason English saying valuation offers a compelling entry point. 4. Chesapeake (CHK) upgraded to Neutral from Underweight at Piper Jaffray with analyst Kashy Harrison saying the company's default risk over the next two years is diminished following its $950M of divestitures. 5. Mitek Systems (MITK) upgraded to Buy from Hold at Needham with analyst Spencer Bogart saying that the software company is capitalizing on the rising significance of the mobile channel for enterprises. This list is just a portion of The Fly's full analyst coverage. To see The Fly's full Street Research coverage,
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