** Packaging solutions firm International Paper IP.N shares dip 9.4% to $30.46 after co misses Q1 sales estimates and trims its annual profit forecast amid uneven demand and cost volatility
** Stock hits lowest since June 2023
** Co now expects FY26 adj. earnings of $3.2 bln to $3.5 bln, down from a prior forecast of $3.5 bln to $3.7 bln, citing cost pressures and higher interest rates
** IP posts Q1 sales of $5.97 bln, compared with analysts' estimates of $6.01 bln, according to data compiled by LSEG
** Including session's moves, IP down 23.2% YTD, underperforming the S&P 500's .SPX 4.2% rise during the same period
(Reporting by Ragini Mathur in Bengaluru)
((Ragini.Mathur@thomsonreuters.com;))