港股航空股反弹，中国东方航空股份涨超7%

Group 1 - The core viewpoint of the article highlights a rebound in Hong Kong aviation stocks, with significant gains observed in major airlines [1] Group 2 - China Eastern Airlines saw an increase of over 7% [1] - China Southern Airlines rose by more than 6% [1] - Air China experienced a nearly 4% increase [1] - China Aircraft Leasing gained over 3% [1]