Oil prices have advanced about 8% since the Oct. 7 attack on Israel by Hamas, and that's on concerns that the conflict will drag in other nations including Lebanon, Iran and even the US. The Middle East supplies around a third of the world’s crude. So if the current conflict further escalates, how much higher can oil prices go? Some experts warn prices could even reach US$140 per barrel in a worse case scenario. On Money in the Market, Hongbin Jeong speaks to Serene Cheong, Team Leader of Oil Trading (Asia) at Bloomberg, to find out more.