Shares of industrial and transportation companies fell amid fears that a semiconductor equities selloff foreshadowed a slowdown in the data-center boom.

Losses for the Dow Jones Transportation Average were more muted as traders weighed the implications of moderated fuel prices.

FedEx shares slid in late trading, however, despite the company reporting an increase in fiscal fourth-quarter package volumes and revenue.

Manufacturing activity in the Richmond Federal Reserve's region was flat this month, the reserve bank's monthly survey showed.

Write to Rob Curran at rob.curran@dowjones.com