President Trump is amping up trade threats, again unveiling a new batch of letters to country leaders outlining tariffs on goods imported from their countries beginning in August and a warning to BRICS nations.

Shares of Conagra Brands slumped Thursday after the packaged-food company issued a weak fiscal-year outlook and reported fourth-quarter earnings that fell short of expectations.Conagra recorded adjusted earnings of 56 cents a share in its fiscal fourth quarter,

The IMF said on Thursday it was closely monitoring the latest U.S. tariffs announcements, saying uncertainty about the global economic outlook remained high and urged countries to work constructively to facilitate a stable trade environment.

Kazakhstan, whose close ties with Russia and China have made it a significant regional player in Central Asia, has said it is ready to reach a compromise with the Trump administration over tariffs due to take effect next month.

The figures apply across all online retailers for Amazon Prime Days. Tariffs and economic uncertainty are on the minds of shoppers as they prepare for Amazon's summer Prime Day sales. But at least one company is forecasting that sales for the online sales event will break records as budget-conscious shoppers look for deals.

Businesses risk losing customers if their prices soar following the introduction of tariffs, which is why Kfuri advises spreading the financial weight across the supply chain. He recommends negotiating tariff absorption between the supplier, the brand, intermediaries and end consumers with the goal of minimizing the cost impact on the consumer.

The U.S. is set to place hefty tariffs on several big energy producers—Algeria, Brazil, Iraq and Libya. So why do oil traders seem unbothered? For one thing, the executive order that accompanied Trump's April "Liberation Day" tariffs exempted energy and energy products.

With tariffs being applied to more countries, Kohl's Corp. believes it won't change its financial outlook for the rest of the year.

President Trump is threatening Brazil with a 50% tariff, citing a "witch hunt" against the country's ex-President Jair Bolsonaro. NBC News Business and Data Correspondent Brian Cheung reports more. CNBC Senior Analyst and Commentator Ron Insana joins Chris Jansing to break down the economic impact on Americans.