By Mike Dolan Dec 9 - What matters in U.S. and global markets today By Mike Dolan, Editor-At-Large, Finance and Markets Fed week got off to a rocky start in global markets, courtesy of bond market hits across the world, but government debt yields stabilized on Tuesday as the Federal Reserve started its two-day meeting. A sharp jump in yields on U.S. Treasuries, German bunds ​and Japanese government bonds on Monday was fueled by a slew of factors - some hawkish policy noises from several regions, anothe ...