Three years after 3M Co.'s splashy entrance into the world of haute couture lighting and wall design, the maker of Post-it notes is embarking on a major expansion — a new, three-story design center at ...

3M's health care business, which is on track to become a separate company by the end of the year, will remain a Minnesota-based company — at least for a while. The health care spin-off so far has no ...