The Chinese government has passed a new export control law for technologies that have national security characteristics. The new rules echo similar controls in the U.S. that are both extrajudicial and include nation-to-nation sanctions. The law will only come into place on Dec. 1, i.e. after the U.S. elections, though the as-yet unimplemented Unreliable Entities list may be a bigger concern to U.S. firms. The growth in U.S. exports of semiconductors has started to slow, with a 7.6% year over year expansion in shipments to China including Hong Kong in August following a 68.8% surge in Jul...