Some third-party merchants who previously sold China-made goods during Amazon's premier July shopping event are sitting it out this year.

The planned pullback, which hasn't been previously reported, is a way for sellers to protect profit margins amid the U.S.-China trade war triggered by steep tariffs placed by U.S. President Donald Trump on Chinese goods,

Amazon ‘s Prime Day is losing its luster among a critical group: sellers. Some third-party merchants who previously sold China-made goods during Amazon’s premiere July shopping event are sitting it out this year or reducing the amount of discounted merchandise they offer.