CAT Vs. Emerging Market By: TalkMarkets September 25, 2018 at 12:07 PM EDT Shares of Caterpillar have been an underperformer for most of 2018 due to slower sales growth outside of the United States. In recent weeks, this has not been the case. Read More >> Related Stocks: Caterpillar Emrg Mkts Ishares MSCI ETF