China cut its holdings of US Treasuries to a nearly 18-year low in June, as Beijing continued to diversify its foreign exchange reserves amid heightened geopolitical tensions and growing uncertainty over the policy outlook in the United States. Holdings fell to US$633.4 billion in June from US$659.3 billion in May, data released by the Treasury Department of the United States showed on Monday. The amount in June marked the lowest level since September 2008, when holdings fell to US$618.2 billion...