Investment in building construction edged up 0.3% month over month to $19.8 billion in December. The residential sector grew 0.3% to $13.8 billion, and investment in the non-residential sector rose 0.3% to $6.1 billion. …Investment in residential building construction grew 0.3% to $13.8 billion in December. …Meanwhile, investment in detached single-family homes declined 1.0% to $6.5 billion, while investment in multi-unit buildings, which includes apartments, semi-detached and row homes, increased 1.6% to $7.3 billion. …Investment in the non-residential sector rose 0.3% to $6.1 billion in December. …Gains in the institutional (+3.4% to $1.7 billion) and industrial (+0.4% to $1.3 billion) components were mostly offset by a decline in commercial investment (-1.3% to $3.1 billion).