JPMorgan (NYSE:JPM) downgraded Caterpillar (NYSE:CAT) last week for the first time in three years. What are the reasons behind the downgrade, and will this reliable stock for dividend investors rebound? In this video, Motley Fool analyst Isaac Pino takes a look at how construction markets abroad, international currency fluctuations, and a weakening in the mining markets may have contributed to Caterpillar's recent loss of traction. What factors will contribute to CAT's rebound, and how long we should expect to wait?