QXO Inc's stock fell 5.02% during Tuesday's intraday trading session, extending losses from earlier in the day.

The decline comes after the company announced it has agreed to acquire insulation company TopBuild for approximately $17 billion. The deal represents a 23% premium to TopBuild's closing price prior to the announcement and is part of QXO's strategy to build a building-products distribution conglomerate through acquisitions.

Market analysts have raised concerns about the valuation and timing of the acquisition, noting that TopBuild shares had already fallen nearly 40% earlier this year amid uncertainty about interest rates and the broader economy. While QXO expects to generate $300 million in synergies by 2030 through cost savings and cross-selling opportunities, some investors appear skeptical about the premium being paid and the integration risks involved in such a large transaction.