Stocks fall slightly over geopolitical uncertainty

Investors also seen taking profits from gains made before holiday break

The Chinese mainland stock market slumped slightly and its transaction volume reached a two-year low on Friday, the first trading day in the Year of the Rooster, as a result of profit-taking and investors' sentiment affected by uncertainties arising during the seven-day holiday, said analysts.

The Shanghai Composite Index closed at 3,140.17 points, down 0.6 percent, with transaction volume of 108 billion yuan ($15.76 billion). The Shenzhen Component Index closed at 10,004.84 points, down 0.47 percent, with transaction volume of 132.1 billion yuan.