The Dow, S&P 500 and Nasdaq remain volatile as trade deals and tariffs keep investors in limbo. Amazon’s Prime Day met with fierce competition as Walmart, Costco offer their own deals. Oil inches higher.

American companies say they will likely increase their prices because of President Donald Trump's tariffs, making this holiday season more expensive. However, shopping analysts said consumers can save money and buy their holiday gifts now by taking advantage of big July sales,

The appointment comes as the Needham-based company is trying to mitigate its exposure to China import tariffs. They are among the most talented young professionals in Massachusetts. And they're all under 40. Time to put in your nominations for the Boston Business Journal's 40 Under 40.

Warehouse workers and union representatives said Prime Day meant extra hours in sometimes sweltering temperatures and a heightened risk of injuries.