The rail supply industry is stuck in a "somewhat meh" state, but Trinity Industries Inc TRN 2.29% is an attractive buy, according to Wells Fargo. The Analyst Wells Fargo's Allison Poliniak-Cusic upgraded Trinity Industries from Market Perform to Outperform with a price target boosted from $40 to $53. The Thesis The rail supply industry isn't showing signs of strong growth, but it also isn't showing signs of weakness, Poliniak-Cusic said in a Thursday note. SourceThere is a breakout of the falling channel. More upside is possible. $TRN, Trinity Industries, Inc. / D