UPDATE 1-What to Watch in The Day Ahead; Friday, Aug. 22

(Updates with Canadian inflation and retail sales data) (The Day Ahead is an email and PDF publication that includes the day's major stories and events, analyses and other features. To receive The Day Ahead, Eikon users can register at. Thomson One users can register at RT/DAY/US. All times in ET/GMT) Fed Chair Janet Yellen delivers opening remarks on labor markets as the Jackson Hole conference of central bankers hosted by the Kansas City Federal Reserve enters its second day. In the aftern