Amazon on Thursday tried to temper investor concerns about the impact of the Trump administration's tariffs on its e-commerce business, but the company may have few options left to ensure small third-party sellers stay put in the face of crushing levies.

Quarterly earnings from both Amazon and Apple Inc., two of the world’s most valuable companies, put on full display how US President Donald Trump’s trade wars threaten the bottom line of even big

As shoppers step up purchases to avoid tariff impacts, Amazon and its sellers may struggle to avoid price increases as they blow through inventory.