Group 1 - Brent crude oil experienced its largest daily increase since 2022, with a surge of 11.3%, reaching $78.5 per barrel, while WTI crude peaked at $74.63 per barrel [2][3] - Iran's oil production stands at 3.3 million barrels per day, with exports between 1.5 to 1.7 million barrels per day, accounting for approximately 4% of global production [7] - The ongoing geopolitical tensions, particularly regarding Iran, are expected to impact oil exports, potentially leading to sustained high oil prices [7][8] Group 2 - Experts recommend a cautious approach to trading, advising against short positions while awaiting the outcome of negotiations [10] - The polyester market is responding to rising oil prices, with significant price increases observed in various polyester products, indicating a strong market demand despite concerns from downstream buyers [10][11] - The average transaction prices for key materials have shown notable increases, with PX rising by 36 to $854 and PTA rising by 155 to $5010 [15]