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Quality Stocks Getting Stronger

Find companies with improving profit margins, returns on capital and free cash flow.

Quality stocks are businesses that become more profitable, generate more cash and use capital more efficiently. This page highlights companies where multiple quality signals are improving at the same time.

Penke idea: One improving number can be noise. Multiple improving numbers can reveal a real business trend. Use this page to find companies worth investigating further — not as blind buy signals.
CompanyWhy It AppearsWhat The Numbers MeanWhat Improved
$PARR
USA
Business trend
⭐⭐⭐⭐⭐ Exceptional
Signals: 5/5 improving
✓ Profitability improving
✓ Capital efficiency improving
✓ Cash generation improving
Net Profit Margin
Keeps 5.9% of revenue as profit.
Operating Margin
Core business keeps 8.0% before interest and taxes.
Return on Equity
Creates 8.2% profit on shareholder equity.
Return on Invested Capital
Earns 7.1% on invested capital.
Free Cash Flow Margin
Turns 3.2% of revenue into free cash.
Net Profit Margin
Improved from -0.9% to 5.9% (+6.7 pts)
Operating Margin
Improved from 1.5% to 8.0% (+6.5 pts)
Return on Equity
Improved from -1.3% to 8.2% (+9.5 pts)
Return on Invested Capital
Moved from 0.014 to 0.071 (+415.1%)
Free Cash Flow Margin
Moved from -0.018 to 0.032 (+275.9%)
$VRTX
USA
Business trend
⭐⭐⭐⭐⭐ Exceptional
Signals: 5/5 improving
✓ Profitability improving
✓ Capital efficiency improving
✓ Cash generation improving
Net Profit Margin
Keeps 35.5% of revenue as profit.
Operating Margin
Core business keeps 38.3% before interest and taxes.
Return on Equity
Creates 6.0% profit on shareholder equity.
Return on Invested Capital
Earns 10.2% on invested capital.
Free Cash Flow Margin
Turns 51.1% of revenue into free cash.
Net Profit Margin
Improved from -10.9% to 35.5% (+46.3 pts)
Operating Margin
Improved from -8.6% to 38.3% (+47.0 pts)
Return on Equity
Improved from -2.0% to 6.0% (+8.0 pts)
Return on Invested Capital
Moved from -0.027 to 0.102 (+478.0%)
Free Cash Flow Margin
Moved from -0.247 to 0.511 (+306.4%)
$CRDO
USA
Business trend
⭐⭐⭐⭐⭐ Exceptional
Signals: 5/5 improving
✓ Profitability improving
✓ Capital efficiency improving
✓ Cash generation improving
Net Profit Margin
Keeps 34.1% of revenue as profit.
Operating Margin
Core business keeps 32.3% before interest and taxes.
Return on Equity
Creates 7.8% profit on shareholder equity.
Return on Invested Capital
Earns 22.3% on invested capital.
Free Cash Flow Margin
Turns 38.4% of revenue into free cash.
Net Profit Margin
Improved from 5.4% to 34.1% (+28.8 pts)
Operating Margin
Improved from 0.9% to 32.3% (+31.4 pts)
Return on Equity
Improved from 1.9% to 7.8% (+5.9 pts)
Return on Invested Capital
Moved from 0.026 to 0.223 (+745.2%)
Free Cash Flow Margin
Moved from -0.108 to 0.384 (+456.4%)
$SIF
USA
Business trend
⭐⭐⭐⭐⭐ Exceptional
Signals: 5/5 improving
✓ Profitability improving
✓ Capital efficiency improving
✓ Cash generation improving
Net Profit Margin
Keeps 7.8% of revenue as profit.
Operating Margin
Core business keeps 8.5% before interest and taxes.
Return on Equity
Creates 4.8% profit on shareholder equity.
Return on Invested Capital
Earns 4.5% on invested capital.
Free Cash Flow Margin
Turns 15.6% of revenue into free cash.
Net Profit Margin
Improved from 0.7% to 7.8% (+7.1 pts)
Operating Margin
Improved from -3.5% to 8.5% (+12.0 pts)
Return on Equity
Improved from 1.0% to 4.8% (+3.9 pts)
Return on Invested Capital
Moved from -0.012 to 0.045 (+467.9%)
Free Cash Flow Margin
Moved from 0.008 to 0.156 (+1,800.0%)
$INCY
USA
Business trend
⭐⭐⭐⭐⭐ Exceptional
Signals: 5/5 improving
✓ Profitability improving
✓ Capital efficiency improving
✓ Cash generation improving
Net Profit Margin
Keeps 27.0% of revenue as profit.
Operating Margin
Core business keeps 23.7% before interest and taxes.
Return on Equity
Creates 7.5% profit on shareholder equity.
Return on Invested Capital
Earns 13.6% on invested capital.
Free Cash Flow Margin
Turns 30.8% of revenue into free cash.
Net Profit Margin
Improved from -0.3% to 27.0% (+27.3 pts)
Operating Margin
Improved from 3.0% to 23.7% (+20.6 pts)
Return on Equity
Improved from -0.3% to 7.5% (+7.8 pts)
Return on Invested Capital
Moved from 0.033 to 0.136 (+316.5%)
Free Cash Flow Margin
Moved from 0.049 to 0.308 (+535.9%)
$VICR
USA
Business trend
⭐⭐⭐⭐⭐ Exceptional
Signals: 5/5 improving
✓ Profitability improving
✓ Capital efficiency improving
✓ Cash generation improving
Net Profit Margin
Keeps 32.5% of revenue as profit.
Operating Margin
Core business keeps 23.9% before interest and taxes.
Return on Equity
Creates 5.1% profit on shareholder equity.
Return on Invested Capital
Earns 8.6% on invested capital.
Free Cash Flow Margin
Turns 42.9% of revenue into free cash.
Net Profit Margin
Improved from 6.1% to 32.5% (+26.5 pts)
Operating Margin
Improved from 3.9% to 23.9% (+20.1 pts)
Return on Equity
Improved from 1.0% to 5.1% (+4.1 pts)
Return on Invested Capital
Moved from 0.013 to 0.086 (+584.6%)
Free Cash Flow Margin
Moved from 0.128 to 0.429 (+235.9%)
$TROO
USA
Business trend
⭐⭐⭐⭐⭐ Exceptional
Signals: 5/5 improving
✓ Profitability improving
✓ Capital efficiency improving
✓ Cash generation improving
Net Profit Margin
Keeps 99.3% of revenue as profit.
Operating Margin
Core business keeps 86.5% before interest and taxes.
Return on Equity
Creates 133.5% profit on shareholder equity.
Return on Invested Capital
Earns 126.7% on invested capital.
Free Cash Flow Margin
Turns 108.6% of revenue into free cash.
Net Profit Margin
Improved from -53.5% to 99.3% (+152.7 pts)
Operating Margin
Improved from -60.3% to 86.5% (+146.8 pts)
Return on Equity
Improved from -80.6% to 133.5% (+214.0 pts)
Return on Invested Capital
Moved from -0.983 to 1.267 (+228.8%)
Free Cash Flow Margin
Moved from -0.690 to 1.086 (+257.5%)
$FVRR
USA
Business trend
⭐⭐⭐⭐⭐ Exceptional
Signals: 5/5 improving
✓ Profitability improving
✓ Capital efficiency improving
✓ Cash generation improving
Net Profit Margin
Keeps 48.1% of revenue as profit.
Operating Margin
Core business keeps 46.4% before interest and taxes.
Return on Equity
Creates 3.1% profit on shareholder equity.
Return on Invested Capital
Earns 7.4% on invested capital.
Free Cash Flow Margin
Turns 189.3% of revenue into free cash.
Net Profit Margin
Improved from 1.8% to 48.1% (+46.3 pts)
Operating Margin
Improved from -3.3% to 46.4% (+49.7 pts)
Return on Equity
Improved from 1.0% to 3.1% (+2.2 pts)
Return on Invested Capital
Moved from -0.025 to 0.074 (+393.3%)
Free Cash Flow Margin
Moved from 0.246 to 1.893 (+670.3%)
$LKNCY
USA
Business trend
⭐⭐⭐⭐⭐ Exceptional
Signals: 5/5 improving
✓ Profitability improving
✓ Capital efficiency improving
✓ Cash generation improving
Net Profit Margin
Keeps 61.1% of revenue as profit.
Operating Margin
Core business keeps 40.4% before interest and taxes.
Return on Equity
Creates 68.7% profit on shareholder equity.
Return on Invested Capital
Earns 66.0% on invested capital.
Free Cash Flow Margin
Turns 33.7% of revenue into free cash.
Net Profit Margin
Improved from -46.8% to 61.1% (+107.9 pts)
Operating Margin
Improved from -18.4% to 40.4% (+58.8 pts)
Return on Equity
Improved from -54.3% to 68.7% (+123.0 pts)
Return on Invested Capital
Moved from -0.356 to 0.660 (+285.3%)
Free Cash Flow Margin
Moved from -0.191 to 0.337 (+276.6%)
$TUYA
USA
Business trend
⭐⭐⭐⭐⭐ Exceptional
Signals: 5/5 improving
✓ Profitability improving
✓ Capital efficiency improving
✓ Cash generation improving
Net Profit Margin
Keeps 37.5% of revenue as profit.
Operating Margin
Core business keeps 47.6% before interest and taxes.
Return on Equity
Creates 1.5% profit on shareholder equity.
Return on Invested Capital
Earns 26.8% on invested capital.
Free Cash Flow Margin
Turns 61.0% of revenue into free cash.
Net Profit Margin
Improved from -0.6% to 37.5% (+38.2 pts)
Operating Margin
Improved from -4.7% to 47.6% (+52.2 pts)
Return on Equity
Improved from -0.2% to 1.5% (+1.6 pts)
Return on Invested Capital
Moved from -0.073 to 0.268 (+468.0%)
Free Cash Flow Margin
Moved from 0.200 to 0.610 (+204.9%)
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