Group 1 - The core viewpoint of the articles highlights a significant increase in crude oil prices, with Brent, WTI, and ESPO crude spot prices rising by 4.85%, 1.82%, and 5.51% respectively as of July 29 [1] - In June, the average price increase for OPEC and domestic crude oil from Daqing, Nanhai, and Shengli ranged from 7.43% to 11.29% [1] - China's crude oil imports increased by 7.06% month-on-month, while exports saw a substantial rise of 611.63% [1] Group 2 - The utilization rate of U.S. refinery capacity rose to 95.4%, with supplies of finished gasoline and petroleum products increasing by 5.93% and 4.39% respectively [1] - The oil ETF (561360) tracks the oil and gas industry index (H30198), which includes listed companies involved in oil and gas exploration, extraction, refining, and sales [1] - The index primarily consists of large state-owned and private oil and gas companies, reflecting the overall performance of the energy sector, which is cyclical and significantly influenced by international oil price fluctuations [1] Group 3 - Investors without stock accounts can consider the Guotai CSI Oil and Gas Industry ETF Initiated Link A (020405) and Guotai CSI Oil and Gas Industry ETF Initiated Link C (020406) [1]