Investing.com - Investors will be focused on U.S. jobs data for November for an update on the health of the labor market.U.S. fiscal uncertainty is likely to remain in the spotlight, in the face of a possible government shutdown from Friday.Tax reform legislation will also remain on the agenda, as Republicans work to push through a sweeping tax overhaul.UK Prime Minister Theresa May will attempt to wrap up the first phase of Brexit talks with EU leaders.Rate reviews in Canada, Australia and Brazil will be closely watched, with Brazil's central bank expected to slash rates to record lows this week.