 One of the big gainers today, Caterpillar, which is considered a bellwether company. The heavy equipment maker surged 4.2% after better than predicted results for its second quarter. Other companies that just reported results in the midst of this earnings season include Bank of America, which spiked 5.3%. B of A turned in better than expected revenue and profits. Morgan Stanley also exceeded expectations and shares lifted 9 tenths percent.