LIVE: Apple earnings!

Apple will deliver its 2016 first-quarter earnings report on Tuesday afternoon.

Here's the big thing to look out for: Guidance from both Apple and analysts indicates that it could post its first year-over-year decline in revenue since 2003.

Another number investors are looking for is iPhone sales numbers, which could fall for the first time in the history of the device.

Here's what analysts are expecting, via Bloomberg:

• Q2 EPS: Expectations of $1.99
• Q2 revenue: Expectations of $52 billion
• Gross margin: Expectations of 39.47%
• iPhone unit sales: Expectations of 50.7 million
• iPhone ASP: $651 expected
• iPad unit sales: Expectations of 9.4 million
• Mac unit sales: Expectations of 4.6 million
• Q3 revenue guidance: Expectations of $47.35 billion

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