Hong Kong, Shanghai down at the open

Hong Kong: Hong Kong stocks sank again in early trade Friday, as fresh political turbulence in Washington hit shares across Asia.

The Hang Seng Index was down 0.68 percent, or 175.32 points, to 25,448.21.

The benchmark Shanghai Composite Index dropped 0.38 percent, or 9.72 points, to 2,526.55, while the Shenzhen Composite Index, which tracks stocks on China's second exchange, lost 0.37 percent, or 4.74 points, to 1,292.36.