China’s trade boom slowed somewhat in December, though export growth of 11% was still higher than the 9% expected by economists. A drop in the rate of import growth to 1% in yuan terms is a concern for trade across Asia, though data from Taiwan for December suggests the slowdown may be short-lived. Export growth was led by auto-parts (19% higher) and semiconductors (17%) while consumer goods exports slowed. That was shown by a rise in exports to the EU of just 1%. Shipments to the U.S. meanwhile surged 13% higher while China’s imports from America rose just 6%. As a result the Chinese...