A major client liked the chart we published last week, highlighting that Schlumberger has a pattern of under-performing quarterly earnings reports. Quod Errat Demonstrandum, as SLB under-performed on its results yesterday, despite a headline beat. All you can analyse is the margins, and guidance outlook change. They came in neutral to mildly negative on a stock that is relatively expensive. SLB was down -2.14% in a tape which saw the mighty energy sector XLE power