Consumers have the travel bug again

Shares of Booking Holdings — the company behind Booking.com, Priceline, Kayak and other travel sites — are popping this morning after announcing yesterday that profits were up almost 50% last quarter compared to a year earlier. Tons of companies in the travel industry, including airlines, are doing well thanks to strong travel demand. We’ll unpack. Also on the program: a lesson on how Massachusetts helped make the modern gambling industry.