Plus: Boeing shares decline 0.8% as the FAA launches an investigation into whether employees skipped some inspections on 787 Dreamliners. Tyson Foods shares fall 5.7% after the company said improving chicken profitability helped offset losses in its beef business. J.R. Whalen reports.\n\n\n\nSign up for the WSJ's free What's News newsletter.\n\nLearn more about your ad choices. Visit megaphone.fm/adchoices