Shares of Trex Company (TREX) are set to open sharply lower on Tuesday, plunging 10.58% in pre-market trading, as investors react negatively to the company's second-quarter earnings report and guidance. The composite decking manufacturer's stock is facing significant pressure despite beating analyst expectations, with concerns about slowing growth and conservative forward-looking statements weighing heavily on investor sentiment.

Trex reported adjusted earnings per share of $0.73 for Q2 2025, surpassing the analysts' consensus estimate of $0.71. However, this figure represented a decline from $0.80 per share in the same quarter last year. Revenue for the quarter came in at $387.8 million, showing a modest 3% increase year-over-year and exceeding the expected $377.83 million. Despite these beats, the decelerating growth rate appears to have disappointed investors looking for more robust expansion.

Adding to the bearish sentiment, Trex provided Q3 revenue guidance of $295 million to $305 million, which was largely in line with analysts' expectations but failed to excite the market. The company also reaffirmed its full-year 2025 guidance, projecting 5% to 7% revenue growth and an adjusted EBITDA margin exceeding 31%. While this guidance suggests continued growth, it seems to have fallen short of investor expectations, contributing to the stock's sharp pre-market decline. The market's reaction indicates that investors are recalibrating their expectations for Trex's growth trajectory in the face of economic uncertainties, leading to the significant sell-off in pre-market trading.