U.S. stocks looked set to pull back modestly from their all-time highs on Friday, as a degree of caution set in after President Donald Trump's latest comments on tariffs and trade. The dollar headed for its biggest weekly drop in two months,

U.S. agricultural commodities fell back Wednesday from recent strength after President Trump announced new threats to apply tariffs on Chinese shipments to the U.S., as the ag market is expected to be one of the main industries that would be impacted by the economic fallout of new tariffs.