The United States on Monday criticized China for restricting sales of chips from American giant Micron, the latest move in a feud between the two powers on semiconductors. “We have very serious concerns with the reports that the PRC has restricted the sale of Micron chips to certain domestic industries," State Department spokesman Matthew Miller said, referring to the People’s Republic of China. “Broadly, this action appears inconsistent with the PRC assertions that is open for business and committed to a transparent regulatory framework," Miller told reporters. He said that the Commerce Department was addressing US concerns with China. Beijing’s...