Investors are now just a day away from Apple's (NASDAQ:AAPL) fiscal third-quarter earnings report. Beyond the headline figures, there are several key metrics to check out that provide important insights into Apple's business. These figures aren't as easily accessible, but discerning shareholders should be sure to look for them when the Mac maker puts up its results. 

Evan Niu, CFA owns shares of Apple. The Motley Fool recommends Apple. The Motley Fool owns shares of Apple. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.