Shares of Chicago Bridge & Iron (CBI) were lower by 2.14% to $29.75 on Friday afternoon, after Argus reduced its rating on the stock to "hold" from "buy." The downgrade follows the energy infrastructure services provider's 2016 fourth quarter earnings miss.

The firm noted that the company has been dealing with challenges over the last two years due to weakness in the energy sector. Argus does not expect to see a quick rebound in revenue for Chicago Bridge & Iron.