Key TakeawaysThe Canadian Imperial Bank of Commerce (CIBC) reported second-quarter earnings above expectations Thursday.CIBC, which beat analyst estimates thanks to growing profits from investment banking and U.S. operations, is the latest in a string of strong Canadian bank earnings to close out the month.CIBC also announced a change to its dividend program starting with the current quarter. Shares of the Canadian Imperial Bank of Commerce (CM) gained in premarket trading Thursday after the bank reported s ...