BP plc (BP) , the British energy giant, has cautioned that its third-quarter profits have taken a toll due to lower refining margins and sluggish oil demand. The energy giant also mentioned that the demand for crude appears to be stagnating, which might have weighed on its financials in the quarter. Weaker Refining Margins Lay Pressure on BP's Q3 Profits BP's refining margins are expected to drop $400-$600 million as compared to the prior quarter. Moreover, the company noted that oil trading performance is ...