3m Co. () down to 171.89 Posted on July 22, 2019 by Autochartist wrote in US Stocks Technical Analysis - TD. Approaching Support level of 171.89 identified at 19-Jul-2019 15:30 EDT Tags: 3m Co., MMM 0 Likes 924 Views You may also like 3m Co. (MMM) up to 164.86 July 16, 2020 Wal-Mart Stores (WMT) down to 129.61 March 2, 2021 Verizon Communications Inc. () down to 57.73 April 30, 2020 Comments are closed.