In a newspaper release, corning, inc. announced it had received a favorable ruling from china's ministry of commerce on allegations that it was selling its fiber more cheaply in china than in other countries. corning was falsely accused of:

The correct answer is Dumping

Dumping is selling a product in a foreign market at a price below the price charged in the home market.
In economics, is a kind of injuring pricing, especially in the context of international trade. It occurs when manufacturers export a product to another country at a price below the normal price with an injuring effect