Earnings season is here again, and kicking it off are financial stocks like the commercial and investment banks that most people avoid due to their complex business models. However, as these banking stocks start to report their quarterly figures, investors can get a feel for how the sector is doing and gain insight into how the rest of the economy is doing as a whole.Bank of America TodayBACBank of America$43.76 +1.87 (+4.46$24.96▼$44.23Dividend Yield2.19$40.41Add ...