Aviation stocks maintained their upward momentum in early trading. At the time of writing, Beijing Capital Airport (00694) rose 6.74% to HK$2.85, while China Eastern Airlines (00670) gained 3.84% to HK$5.14. China National Aviation (00753) climbed 2.82% to HK$6.92, and China Southern Airlines (01055) increased 2.33% to HK$5.70.