Citing the bright prospects for Western Gas Partners, LP WES in 2018 and beyond, Stifel upgraded shares of the company. The firm said a number of accomplishments in 2017 places the company on track for strong growth into 2018. As such, the firm upgraded shares of Western Gas from Hold to Buy, while it maintained its $54 price target. The upgrade was premised on the recent pullback and the firm's expectations of robust cash flow growth in 2018 and beyond. Read moreThe price will go up to the upper edge of the falling channel and will try to break it out. $WES, Western Midstream Partners, LP / D