That's because when fellow 3D printing bigwig Stratasys reported its quarterly results last week, it withdrew its full-year 2015 guidance, citing lack of visibility into customer demand, and issued a third-quarter outlook that fell significantly short of what analysts were forecasting.
Refer to the input text as context and select the correct relationship between 'Stratasys' and '3D printing' from the available options.
Options: founded by, manufacturer, product/material produced, director/manager