Minnesota Mining had 226.2 million shares outstanding as of Oct. 31.
Minnesota Mining and Manufacturing, for example, lost 6.7 percent of its value.
Minnesota Mining lost 1 1/8, to 113, although there was no news on the company.
Minnesota Mining estimated currency exchange rates cut second-quarter earnings by 5 percent, or 4 cents a share.
Minnesota Mining was also helped in the quarter by lower costs.
Minnesota Mining and Manufacturing gained 1 7/8, to 94 5/8.
Minnesota Mining rose 1 3/4, to 90 5/8.
Minnesota Mining makes more than 50,000 products for the industrial, commercial, consumer and health care markets and had sales of $14.2 billion last year.
Minnesota Mining and Manufacturing, was up 3 13/16, to 75 1/8, on the company's projection of faster growth this year.
Minnesota Mining and Manufacturing gained $2.24, or 1.9 percent, to $119.99.