Shares dip, dollar back on track

By Patrick GrahamLONDON (Reuters) – Mixed signals on corporate earnings and global growth pushed European and Asian stock markets lower on Tuesday while the dollar made more progress, driving below $1.07 per euro for the first time since April.European stock exchanges started with some cautious gains before inching back into the red, and Wall Street looked set to open lower as investors bet the U.S. Federal Reserve would raise interest rates next month. More than 1 percent falls in Hong Ko