Michigan Economy up Slightly in August, Reports Comerica Bank's Michigan Economic Activity Index

DALLAS, Oct. 25, 2011 /PRNewswire/ -- Comerica Bank's Michigan Economic Activity Index ticked up one point in August, to a level of 87.  The August index level is 16 points, or 23 percent, above the index cyclical low of 71.  Year-to-date the index has averaged 87 points, two...