President Donald Trump’s whiplash tariff policy is top of mind for US investors and consumers to start the week. Meanwhile, the administration is aggressively pursuing its immigration crackdown, and nuclear talks are progressing with Iran.

Here is what’s at stake as a lesser-known “basis trade” came undone this week, just before President Trump’s mini-pivot on tariffs.

Most wedding dresses are made in China. That means Trump's huge tariffs on Chinese goods could make getting married more expensive.