Catch up on today's top five analyst upgrades with this list compiled by The Fly: 1. Schlumberger (SLB) upgraded to Overweight at Barclays by analyst J. David Anderson, who named the company his top pick in the North America Oilfield Services & Equipment space. He said no company has improved itself more during the downturn than Schlumberger. Anderson also upgraded Superior Energy (SPN) to Overweight and Dril-Quip (DRQ) to Equal Weight. 2. Manitowoc (MTW) upgraded to Buy at Stifel citing cutting and operations improvement to make its strong brand recognition and leading distribution more apparent to investors. 3. Kansas City Southern (KSU) upgraded two notches to Buy at BofA/Merrill by analyst Ken Hoexter, who said the company reported an impressive Q1 operating ratio and cut costs to offset near-term volume declines. 4. Copa Holdings (CPA) upgraded to Outperform at Raymond James with analyst Savanthi Syth citing increased conviction on second half earnings recovery given the strengthening of Latin American currencies versus the U.S. dollar. 5. ArcelorMittal (MT) upgraded to Buy at Jefferies on expectations carbon steel prices in Europe will rise. 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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