商务预报：11月17日至23日猪肉零售价格小幅下降

Group 1 - The core viewpoint of the article indicates that there is an oversupply in the pork market, leading to a decrease in retail prices across major cities in China [1] - From November 17 to 23, the retail price of pork in 36 major cities decreased by 0.5% compared to the previous week [1] - The western region of China experienced significant price drops, with Kunming, Guiyang, and Xi'an seeing declines of 7.8%, 7.2%, and 0.9% respectively [1]