Tax negotiators agree on corporate tax rate of 21% beginning in 2018.

As Congress works on a tax deal, the president suggests corporate rate may go to 22%.

Purchase of semiconductor company nixed on national security concerns.

People's Bank of China lifts rule that made betting against the currency expensive.

Companies affected are reporting losses totaling hundreds of millions of dollars.

PBOC wont endanger governments goal of keeping growth above 6.5%, economists say/

A change would smooth FX volatility and reduce the role of markets.

Moody's move may mean Chinese companies borrow more from domestic banks.