3m Co. () down to 178.70 Posted on January 16, 2020 by Autochartist wrote in US Stocks Technical Analysis - TD. Broke through Support level of 179.79 at 15-Jan-2020 14:00 EST Tags: 3m Co., MMM 0 Likes 739 Views You may also like DowDuPont (DWDP) down to 52.65 February 19, 2019 3m Co. (MMM) up to 165.98 August 29, 2019 Exxon Mobil Corp. (XOM) up to 44.80 January 12, 2021 Comments are closed.