Shanghai (AFP) - China's benchmark stock index plunged 5.88 percent Monday morning after regulators cracked down on rule violations for margin trading, which has fuelled a extended recent rally, analysts said.
The benchmark Shanghai Composite Index slumped 198.41 points to 3,178.09.
The Shenzhen Composite Index, which tracks stocks on China's second exchange, lost 3.39 percent, or 50.11 points, to 1,428.36.