Roku Q2 guidance, Upstart-Walmart partnership, Duolingo surges
Yahoo Finance host Brad Smith tracks today's top moving stocks and biggest market stories in this Market Minute, including Roku's (ROKU) lighter-than-expected second quarter guidance, a new partnership between Upstart Holdings (UPST) and Walmart's (WMT) OneProgress fintech business, and Duolingo's (DUOL) notable stock gains coming off of the language app's first quarter earnings results and positive guidance. Stay up to date on the latest market action, minute-by-minute, with Yahoo Finance's Market Minute.