** Shares of building products firm Louisiana-Pacific Building Solutions LPX.N rise 2.4% to $92.37 premarket

** BofA Global Research double-upgrades the stock to "buy" from "underperform"; raises PT on stock to $112 to $83, representing a 24% upside to LPX's last close

** BofA sees EBITDA in LPX's siding segment- engineered wood products - holding up well despite headwinds; segment gaining market share and expanding capacity, despite slowdown in housing markets - BofA

** Expects LPX to face margin pressure in 2026 as it begin to expand siding capacity, but suggest it has flexible options for scaling

** Also upgrades Karat Packaging KRT.O to "buy from neutral, saying it sees an improving economic environment and improvement in fundamental trends for co

** Five of 10 brokerages rate LPX stock "buy" or higher, three "hold" and two "sell"; their median PT is $110

** Up to last close LPX stock down nearly 13%

(Reporting by Avinash P in Bengaluru)

((Avinash.P@thomsonreuters.com;))