Travel demand has soared back in the second half of the year, and that's good news for the economy at large, too, according to United Airlines' CEO. Scott Kirby told CNBC's "Squawk Box" on Tuesday that demand significantly improved at the beginning of July. "It was like a light switch coming on," he added. The summer travel period is key for airlines, while Labor Day and Thanksgiving are also significant revenue drivers.
The euro was at a three-week low against the US dollar as renewed trade tensions, fueled by President Trump's tariff announcement, weighed on the common currency.