World stocks slip as uncertainty over NAFTA nags

LONDON (Reuters) - Global stocks eased on Wednesday on uncertainty over Canada’s position in NAFTA, and with investors also nervous ahead of a deadline for the next round of China-U.S. tariffs next week. Talks to renew a NAFTA trade agreement between the United States, Mexico and Canada - after Monday's U.S.-Mexico deal - hinge on Canada. Uncertainty over when a final agreement might pass the U.S. Congress also kept trade muted.MSCI's world equity index , which tracks shares in 47 countries,..