Trump’s threat to stop U.S. purchases of the Chinese product comes as the U.S. was already cutting back on it.

President Donald Trump said on Tuesday that the United States must be careful with China although the relationship between the countries is fair.

"This will add another layer of anxiety to an already anxious retail sector. Retailers have shown they can manage tariffs, but what's far harder to manage is volatility in tariff rates," CFRA analyst...