The global smartphone market just exploded by 52% to 237.9 million units in the second quarter, according to the most recent figures from IDC. Apple (NASDAQ:AAPL) and Samsung still dominate the overall landscape, but smaller players like LG and Lenovo are gaining traction as they grow volumes off of small bases. Technically, both Apple and Samsung "underperformed" the broader market in terms of unit growth.

In the following video, Evan Niu, CFA, and Eric Bleeker, CFA, discuss the broader context of the smartphone market and where investors should really focus to assess how Apple's faring.

The relevant segment can be found between 8:40 and 11:50.

Chris Hill has no position in any stocks mentioned. Eric Bleeker, CFA, has no position in any stocks mentioned. Fool contributor 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.