rose 5% early Tuesday after the company boosted second-quarter earnings guidance to 60 to 65 cents a share from the previous 52 to 57 cents a share.
Analysts polled by Thomson First Call were expecting earnings of 57 cents a share.
"Our rail and barge businesses have exceeded our previous expectations. The weather during the second quarter in the southwestern U.S has been generally favorable for our Construction Products Group and we have maintained our momentum in the Energy Equipment Group, specifically in the Structural Wind Tower business.", the Dallas-based company said.
Trinity also said Ingram Barge placed a first order to build 250 barges in 2007.
Shares rose $1.76 early Tuesday to $34.51.
This story was created through a joint venture between TheStreet.com and IRIS.