flurry of tariffs and probes affecting products including:
Steel: The U.S. is investigating allegations of dumping of several products, and Thursday
announced preliminary duties on steel pipes.
Chicken: China is investigating alleged U.S. dumping and subsidies.
Paper: A U.S. body Friday approved a probe into dumping of coated paper from China.
Raw materials: The U.S. and EU filed a WTO complaint.
Autos: China plans probes of imports of U.S. auto parts and cars.
Chemicals: Beijing imposed tariffs on imports of two chemicals from the U.S. and other