Both banks released billions from their loan-loss reserves
Trading revenues helped drive results
Tech stocks and IPOs drove the increase
The bank’s balance sheet is heavily weighted toward short-term interest rates
Earnings significantly exceeded analyst expectations
U.S. bank's year-over-year profit jumped 42%
The investment bank benefited from market rebounds in the summer
Low interest rates cut into the U.S. bank's earnings
The U.S. bank's earnings jumped sharply in Q3, fuelled by trading, less in loan-loss provisions
U.S. bank saw few loan losses during the quarter