The stock price has rallied over 50% in the past year on hope for a brighter future for the Minnesota-based conglomerate.Industrial conglomerate 3M (MMM -2.85%) spent 2018 to 2023 on a slow and steady downward slide. Several problems have ailed 3M stock, including lawsuits, growth concerns, and financial constraints from an expensive dividend. Some much-needed changes over the past year have dramatically lifted the market's sentiment toward the stock.3M slashed its dividend to free up cash flow, spun off it ...