CNBC | Oil prices struggle to hold gains after smaller-than-expected US crude draw CNBC "Though some may be forgiven for thinking that the outcome is a foregone conclusion, the inconsistency between the betting money and the polls mean that conditions are ripe for a fresh bout of volatility," said Stephen Brennock of oil broker PVM. Oil Prices Rise Ahead of Inventory Data Oil rises further above $50 on API report, braced for Brexit volatility Oil ends down, then rises after settlement on big draw |