Although AutoZone and O'Rileys are almost the same when it comes to their Financial Statements. Any major differences from one year to the next for one of the companies in comparison to the other? If company news is researched for that period, was it a global event that caused this change in price? Or did something happen to the company in particular? (For example, a change in leadership, or bad publicity after a bad product launch?)

Please highlight in what areas do they differ when it comes to the cash flow, income statement? (Keeping in mind mainly the ROA, Dupont Analysis)

A period of past 2-3 years can be take up for this