SECTOR COMMENTARYOil and gas stocks closed mostly lower led by gas-levered E&Ps after the front month natural gas contract fell three percent.WTI closed at $93.10 down $0.05 or 0.05% and Brent edged lower in choppy trade as rising oil inventories and increasing domestic crude oil production applied pressure and countered any lift from equity prices. WTI and Brent crude futures remain cautious ahead of economic data from China, expected to confirm revived economic growth, and the results of this week's Bank of England and European Central Bank meetings. Also supporting ...