A research filter, not a predictor — not financial advice. Grades rank growth stocks on evidence-based quality signals from end-of-day data; they are not buy/sell calls or price forecasts. Always do your own research.

Quanex Building Products Corporation NX

Weak (graded 2026-09-05, not re-checked) broader-coverage candidate · Quanex Building Products Corporation, along with its various subsidiaries, operates as a comprehensive global supplier specializing in components for the fenestration sector (windows and doors).

On FrontierLab's discovery record since 2026-09-04 (4 weeks ago) — when this name first surfaced. (distinct from the snapshot date below)

Auto-graded broader coverage — sourced by an automated screen and graded on default bands, not the sector-calibrated bands the curated screener uses. A "Weak" here is NOT the same bar as a curated grade; these are auto-screened candidates for your own research, shown as of their surface date (2026-09-05), not the curated Frontier signal.

⚡ Surfaced on a price move — momentum is where to look, not a buy signal. The move that surfaced this name does not make it a good entry.

⚠ Pump risk: parabolic/spike characteristics detected in the screen flags. Treat any positive grade with extra skepticism.

Key quality signals

Revenue growth (YoY)	1.3%
Gross margin	22.7%
Gross profits / assets	0.22
Rule of 40	7.4
Net margin	6.1%
Cash runway (months)	—
PEG	—
Price / sales	0.6

Quality checklist

✗ Revenue growth — 1.3% (pass ≥ 20%)
~ Gross profits / assets — 0.22 (pass ≥ 0.33)
✗ Gross margin — 22.7% (pass ≥ 60%)
✓ Cash generation
✓ Share dilution — -1.6%

Fundamentals — snapshot as of 2026-09-05

Stage	Established
Share issuance (YoY)	-1.6% · flat share count
Moat	—
TAM	—
P/E (trailing)	23.1
EPS (trailing)	$0.99
Burn multiple	—
Gross-margin trend (pts)	-3.3
Cash / assets	0.03
Net debt / EBITDA	3.5
Statements as of	Q3 FY2026 · filed 2026-09-04

Momentum context — a snapshot from 2026-09-05, not current

Price at surface	$22.93 (as of 2026-09-05)
52-week range	$11.04 – $23.225
% off 52-wk high	-1.3%
RSI (14)	67
Relative volume	5.5×

Risk flags

Thin gross margin — keeps little of each sales dollar (judge it against its industry).Parabolic one-day spike (+22%) in the last month — extreme single-day moves tend to mean-revert.Volume 5.5× normal alongside the move — attention-crowded names tend to reverse over the following weeks.

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Data as of 2026-09-05 (end-of-day). How grades are computed →