Markets Set to Open Higher, Caterpillar Tops Forecasts

U.S. markets set to open higher, signaling the index will rebound after its worst week since June 2012. In Europe, stocks fell as China and Indonesia led a drop in emerging markets. In the commodities space, US natural gas climbed to their highest level since February 2010 with the polar vortex set to make a return appearance this week. January is on track to be the coldest month of the century in the lower 48 states. In corporate news, Caterpillar is back up above $92. The heavy equipment maker says earnings and revenue topped analyst estimates. Caterpillar also said it approved a $10 billion buyback plan. TheStreet's Senior Stock Analyst Nicole Urken has more from Wall Street.