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.

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

The tech giant reported revenue grew by 9% during its first quarter to $155.7 billion. Its profit was $17.1 billion. The figures topped Wall Street projections.