U.S. President Donald Trump has stopped a foreign investment into a U.S. company. On Sept. 13, Trump blocked Canyon Bridge Capital Partners' proposed purchase of Lattice Semiconductor Corporation for $1.3 billion, the fourth time a U.S. president has done so. The reason? The trail of Canyon Bridge Capital Partners' financial backing leads directly to the China Reform Fund Management Co., meaning the fund has substantial backing from the Chinese state. By blocking the purchase, Trump is making clear his opposition to Chinese state-led investment in strategic sectors....