** Shares of building material supplier Martin Marietta Materials MLM.N down 4% at $680 premarket

** Co forecasts weak annual sales, after reporting a fall in Q4 profit, as the building material company navigates higher costs

** Sees 2026 revenue between $6.42 billion and $6.78 billion, below analysts' estimate of $6.86 billion - data compiled by LSEG

** Quarterly net earnings fell to $279 million, or $4.62 per share, from $294 million, or $4.79 per share, a year ago

** MLM gained 20.6% in 2025