Benzinga's Top Upgrades By: Benzinga via Benzinga September 03, 2015 at 09:18 AM EDT Analysts at Citi upgraded Schlumberger Limited. (NYSE: SLB) from Neutral to Buy. The price target for Schlumberger has been lowered ... Read More >> Related Stocks: Cameron International Halliburton Co Kite Realty Group Trust Retail Opp Invts Corp Schlumberger Ltd T2 Biosystems CS Xylem