Hong Kong CNN Business — Two European chip deals have run into trouble over their links with China, a sign of concern spreading in the West over potential Chinese control of critical infrastructure. Last week, the new owner of Britain’s biggest chipmaker was ordered to unwind its takeover, just days after another chip factory sale was blocked in Germany. Both transactions were hit by national security concerns, and had involved acquisitions by Chinese-owned companies. In the United Kingdom, Nexperia, a Dutch subsidiary of Shanghai-listed semiconductor maker Wingtech, was told by the government to sell at least 86% of its stake...