https://www.reuters.com/article/us-usa-trade-china-investment/u-s-plans-limits-on-chinese-investment-in-u-s-technology-firms-idUSKBN1JL03L >The U.S. Treasury Department is crafting rules that would block firms with at least 25 percent Chinese ownership from buying U.S. companies in "industrially significant" technologies, the Wall Street Journal reported on Sunday.