Stocks in the Hong Kong market have shown unusual movements, with aviation stocks leading the decline. In December, domestic oil prices fell year-on-year, but remained in line with normal seasonal patterns month-on-month.

According to the Securities Times app, aviation stocks lead the decline. As of the time of reporting, China Southern Airlines (00753.HK) fell by 2.75% to HKD 6.73; China Eastern Airlines (00670.HK) fell by 2.51% to HKD 5.04; China Southern Airlines (01055.HK) fell by 2.49% to HKD 5.49; Cathay Pacific Airways (00293) fell by 1.01% to HKD 12.75.