Where The Buying Ran Strongest: 10 Mid Cap Stocks At 52-Week Highs
A short list of mid-cap names at new highs shows a wide divergence in business fundamentals.
Application Software led by industry count today, placing 2 names on a list of 10 Mid Cap stocks trading at 52-week highs. This screen considers only companies with a market value above $10 billion. The largest company on the list is Quest Diagnostics (DGX), with a market value of about $27.2 billion.
While some names posted modest gains, the strongest one-month run belongs to Paycom Software (PAYC), up 43.9% over the last month, far outpacing the S&P 500 return of +3.4%. The central question is what kind of business earns such a price.

The Complete 52-Week-High List
Here are all 10 names, sorted by market capitalization, with returns over four windows:
| Tickers | Market Cap |
1D % Chg |
1W % Chg |
1M % Chg |
1Y % Chg |
|---|---|---|---|---|---|
| DGX | $27.2 Bil | 0.2% | 1.3% | 3.8% | 39.5% |
| EXPD | $25.4 Bil | 0.6% | 2.0% | 10.9% | 59.7% |
| GH | $22.44 Bil | 3.6% | 4.6% | 19.0% | 176.2% |
| NWSA | $17.15 Bil | 0.1% | 5.1% | 9.9% | 3.5% |
| DT | $15.36 Bil | 3.1% | 4.0% | 17.5% | 6.6% |
| IVZ | $14.88 Bil | 0.8% | 2.4% | 12.8% | 57.4% |
| RVTY | $14.13 Bil | 1.2% | 5.8% | 13.3% | 37.5% |
| SJM | $13.97 Bil | 4.3% | 6.6% | 7.4% | 22.2% |
| CHYM | $12.65 Bil | 0.2% | 0.2% | 48.2% | 23.4% |
| PAYC | $11.87 Bil | 0.3% | 4.7% | 43.9% | 1.6% |
Growth and losses can share a new high.
Guardant Health (GH) reached its highest price of the past year on the back of rapid expansion. Its revenue grew 42.7% over the last twelve months. But that growth came with an operating margin of -39.7%. Contrast that with the list’s largest member, Quest Diagnostics (DGX), which trades at 25.6 times trailing earnings. Its revenue grew 9.9% over the last twelve months, alongside a positive operating margin of 14.1%.
A high price is a question, not an answer.
A list of stocks at their strongest prices of the year is a good place to hunt for strength. Often, strong trends persist. But a 52-week high is just a price, not a verdict on the underlying business. The disciplined next step is always the same: to look past the price and ask whether the company’s fundamentals justify the new level.
A new high tells you what the market already believes. The harder question is which of these runs management itself is underwriting. Our Guidance Momentum screen tracks exactly that: stocks where the company raised its own forward numbers.
Strength Is A Clue. It Is Not A Plan
A stock at its 52-week high has momentum on its side, and momentum is a real force. It is also the most crowded signal in the market, and the difference between a run that lasts and one that tops is always the business underneath.
Checking that business, across thousands of names, is how the Trefis High Quality (HQ) Portfolio is assembled: roughly 30 companies that pass the quality screens, rebalanced on rules. It has a track record of outpacing a benchmark that combines the three major indices – the S&P 500, S&P Mid-cap, and Russell 2000. Let the highs point; let the discipline decide.