Its 54th of the year. It was powered by two stocks, caterpillar and 3m, both of which reported better than expected profits and offered better than expected outlook thanks to a growing economy. That dynamic duo helped the dow close at 23,441. Nasdaq was up 11. S p 500 added four. Morgan brennan has more on caterpillar and 3m and what is driving the industrial s reporter if industrial stocks are a bellwether of economic growth, then growth is brisk. Caterpillar got the most attention after the machinery maker crushed profit estimates and hiked its fouryear forecast by an eye popping 25 . It was a similar story for 3m. With a maker of Industrial Coatings and postit notes, the stock had its best performance in eight years. United technologies which slid on weaker margins, raised guidance for the second time this year. And it all speaks to the underlying strength of the sector. Whats been surprising to us is how strong the quarter has gotten off so far. And the expectation that theres nice