Trade tensions between the world’s two-largest economies that have rattled markets this month are still the main focus for investors. China announces on Sunday it would free up more than $100 billion in the banking system to help pillow a slowing economy. The People’s Bank of China is said to trim the required reserve ratio for some banks comes into effect on July 5. On the side of the U.S, the U.S. Treasury is expected to release plans for renewed rules on Chinese investment in technology companies.