** Shares of decking and railing maker Trex TREX.N down 2.9% at $53.38

** Citi Research cuts price target to $60 from $78

** Citi expects TREX's volumes to be impacted by lower consumer confidence amid recent macro uncertainty, as composite decking is one of the biggest ticket items in discretionary repair and remodel

** Seven of 19 brokerages rate the stock "buy" or higher, 11 "hold" and one "sell" or lower; their median PT is $72, according to data compiled by LSEG

** Up to last close, Trex stock down 20.4% YTD

(Reporting by Juby Babu in Mexico City)

((Juby.Babu@thomsonreuters.com;))