Key Points China is restricting contracts with a South Korean shipbuilding company, Hanwha Ocean. The move is likely retaliation because Hanwha Ocean works closely with the U.S. government. Bitcoin investors view the rising tensions between China and the U.S. as bad for the economy. 10 stocks we like better than Bitcoin › The value of Bitcoin (CRYPTO: BTC) continued falling today after China said it was putting restrictions on a major South Korean shipbuilder, Hanwha Ocean Co. The company has som ...