Apple's (AAPL) second quarter earnings beat Wall Street estimates. Adjusted earnings per share of $1.53 topped the $1.50 expectation. Revenue of $90.75 billion was just slightly better than the $90.33 billion estimate.

Revenue from the iPhone, Mac, and Services units topped expectations, but revenue from iPad and its wearables, home and accessories products unit fell short. Overall, iPhone sales are down 10% from a year ago.

One closely watched number was Greater China revenue. That was $16.37 billion versus an estimate of $15.87 billion.

The company also authorized a $110 billion share buyback plan and raise its dividend to $0.25 from $0.24.

Yahoo Finance's Josh Lipton and Julie Hyman break down the tech giant's quarterly results.

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This post was written by Stephanie Mikulich.