What to Watch in the Day Ahead - Wednesday, Sept 23

(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) Financial data firm Markit will announce its preliminary U.S. Manufacturing Purchasing Managers' Index for September, which is expected to have remained steady at 53.0, compared with its final reading in August. (0945/1345) The Mortgage Bankers' As