Stephens Asks Whether Invisalign Maker's Best Days Are Waning

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Align Technology Inc., the maker of Invisalign teeth straighteners, could be in danger of ending its streak of beating its own forecast for case shipments.

Stephens analyst Chris Cooley said that trend, which goes back more than three years, could be in jeopardy if a software glitch in its ClinCheck processing software during the second quarter led to too many delays.