Catch up on today's top five analyst upgrades with this list compiled by The Fly: 1. Schlumberger (SLB) upgraded to Outperform from Market Perform at Bernstein with analyst Colin Davies citing valuation. 2. Shire (SHPG) upgraded to Hold from Reduce at HSBC with analyst Steve McGarry saying any hemophilia-related headline risk should be largely reflected in the shares and shares are close to fair value. 3. O'Reilly Automotive (ORLY) upgraded to Neutral following sell-off at Goldman Sachs with analyst Matthew Fassler citing the sell-off in shares and saying he expects an improvement in trends in 2018. 4. Buffalo Wild Wings (BWLD) upgraded to Neutral from Underperform at Longbow. 5. ImmunoGen (IMGN) upgraded to Outperform from Sector Perform at RBC Capital. 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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