Caterpillar Inc. (NYSE:CAT) stock is up 3.2% to trade at 326.79atlastcheck,afterthebluechipreportedbetter−than−expectedearningsandrevenueforthesecondquarter.Thecompanynoted higherpricesforlargerexcavatorsandequipmentoffsetslowerdemandinNorthAmerica.Thesharesarebouncingoffafamiliarfloorat310, which served as a launching pad in February to their April 8, record high of $382.01. While CAT has cooled from that peak, it looks to be relying on support from the 200-day mov ...