But there was an unusual cloud of unease over shoppers at Walmart amid rising distress over U.S. President Donald Trump's scuffle with retailers over tariffs, along with concerns that tariffs imposed ...

▲美国总统川普。根据路透社与易普索（Ipsos）最新公布的民调，美国总统川普（Donald Trump）本周的施政支持率微幅下滑至42％，与他本届任期以来的最低点持平。尽管如此，川普的支持度仍高于他第一任期大部分时间的水 ...