Wells Fargo upgraded Schlumberger (NYSE: SLB) from Market Perform to Outperform.

For an analyst ratings summary and ratings history on Schlumberger click here. For more ratings news on Schlumberger click here.

Shares of Schlumberger closed at $83.71 yesterday.

Upgrades

Societe Generale Upgrades Schlumberger (SLB) to BuyJuly 21, 2015 12:45 PM Tigress Financial Partners Downgrades Schlumberger (SLB) to NeutralJuly 20, 2015 11:18 AM Global Hunter Securities Upgrades Schlumberger (SLB) to Buy; Sustainable Margin PerformanceJuly 20, 2015 9:32 AM Schlumberger Ltd. (SLB) Tops Q2 EPS by 9cJuly 16, 2015 4:15 PM Schlumberger Announces Second-Quarter 2015 ResultsJuly 16, 2015 4:15 PM