Wells Fargo Downgrades Schlumberger To Market Perform

Analysts at Wells Fargo downgraded

from Outperform to Market Perform, according to sources. Schlumberger shares have dropped 13.35% over the past 52 weeks, while the S&P 500 index has surged 11.42% in the same period. Schlumberger's shares declined 1.75% to $83.00 in pre-market trading.