Xinyi Solar, BYD, and Country Garden Services join blue chip index

Xinyi Solar (0968), BYD (1211), and Country Garden Services (6098) will join the blue-chip Index, according to the Hang Seng Index quarterly review on Friday.

The total number of constituents will increase from 55 to 58.

The weighting of two weighted voting-right companies will increase, assuming the rebalancing had been undertaken on May 18.

Meituan's (3690) weighting will increase to 7.71 percent from 4.28 percent. Alibaba's (9988) weighting will rise to 7.33 percent from 5.59 percent. Meanwhile, the weighting of Tencent (0700) and AIA (1299) will fall to 8 percent.

All changes will take effect on June 7.

The Hang Seng Indexes Company aims to raise the number of constituents to 80 by mid-2022, and ultimately raise to 100.

Xinyi Solar shares gained by 2.81 percent; BYD added 1.86 percent, and Country Garden Service spicked up 3.04 percent.