China's heft in stock benchmarks stirs worries of concentration risk

SHANGHAI (Reuters) - China's dominance in widely followed emerging market benchmarks has investors worried about concentrated risks, fuelling demand for indexes that limit their exposure to mainland companies.Global index provider MSCI's latest round of China stock inclusion, completed on Wednesday, took Chinese equities to 34% of the MSCI Emerging Markets Index, bigger than the combined weight of the bottom 21 country components. China's weight in the FTSE Emerging Index stands at 35%, and..