This post was originally published on this site
![](https://image.cnbcfm.com/api/v1/image/105762747-1551220190056gettyimages-1016153070.jpeg?v=1571400934)
An employee assembles an excavator at the Caterpillar Inc. manufacturing facility in Victoria, Texas.
Callaghan O’Hare | Bloomberg | Getty Images
Caterpillar shares were downgraded Friday by an analyst at Morgan Stanley amid concerns around two of the industrial’s key business segments.