The Chinese government has retaliated against higher U.S. tariffs by raising its own duties on around $60 billion of U.S. exports. That’s included $21.6 billion of products imported in the 12 months to Mar. 31 where duties will be increased to 25% from 10%. Imports of those products already fell 18.8% year over year in 1Q 2019, compared to 38.5% for products where 25% duties were applied in July and August. Not all products have seen a decline yet, with U.S. exports of PC components having increased by 15.6% and laptop computers having surged 56.2% higher. Yet, it is commodity e...