SLB Crosses Below Key Moving Average Level By: Energy Stock Channel October 01, 2014 at 16:25 PM EDT In trading on Wednesday, shares of Schlumberger Ltd. (SLB) crossed below their 200 day moving average of $100.22, changing hands as low as $98.38 per share.. Read More >> Related Stocks: Schlumberger Ltd US Oil Equipment & Services Ishares ETF