What to Watch in the Day Ahead - Thursday, Sept. 18

(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) Chinese e-commerce giant Alibaba Group, one of the most anticipated IPOs since Facebook's in 2012, will price its initial public offering, which could raise more than $21 billion and become the largest-ever IPO in history. U.S. housing starts and b