What to Watch in the Week Ahead and on Tuesday, Jan. 20

(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) Week Ahead Next week promises to be another wild one after the Swiss National Bank's sudden decision to abandon its peg against the euro in favor of, well, chaos. With the European Central Bank meeting on Thursday, all markets are likely to be vol