Abbott Laboratories (ABT) reports robust earnings growth and margin expansion, driven by medical devices, despite headwinds in diagnostics and international markets.

Abbott Laboratories' second-largest division, diagnostics, continues to be a hindrance, while the FY group operating margin guidance was cut. Learn more on ABT stock here.

For the current quarter ending in September, Abbott expects its per-share earnings to range from $1.28 to $1.32. The company expects full-year earnings in the range of $5.10 to $5.20 per share.