Wall Street is warming to the industrial giant's investment proposition as a new CEO seeks to improve the company's growth rate. Bank of America Securities recently upgraded 3M (MMM -0.05%), with analyst Andrew Obin changing the stock to a buy rating from neutral and hiking his share price target to $120 from$105. This represents a more than 19% premium over the next 12 months to the current stock price. 3M initiated some derisking actions The key to the investment case for the stock involves recognizing t ...