Brent crude prices have been on a sharp decline since peaking in June, nearly giving up all the year’s gains. And Credit Suisse says the selloff is not yet over. “The market remains well below its 55-Day Moving Average and 200DMA at 89.01 and 100.67, and with medium-term momentum declining and global growth concerns looming, we think further weakness is likely to follow. Brent is likely in due course to see further downside towards the 61.8% retracement at 63.02, where we would have higher confidence of a more stable floor and for a…