Tar heel stock watch.

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Top 10 large-cap stocks 3-month 1-year 52-week Company change (1) change range Inveresk Research Group 20.2% 96.1% $12.85-28.92 Cree 18.6 7.6 11.70-29.00 Red Hat 17.2 286.7 5.26-22.55 Salix Pharmaceuticals 16.3 279.9 6.26-28.61 Sonic Automotive 10.1 64.8 14.26-29.00 Ruddick 10.0 56.1 12.30-20.48 Nucor 9.9 59.3 37.52-66.58 PPD 9.7 8.2 22.30-31.88 Jefferson-Pilot 9.0 39.3 37.58-55.00 Laboratory Corp. of America 9.0 29.7 25.94-44.20 Bottom 10 large-cap stocks 3-month 1-year 52-week Company change (1) change range SPX (24.3)% 27.6% $30.73-63.16 RF Micro Devices (16.9) 32.7 4.55-12.49 BB & T (8.5) 8.7 31.13-39.68 Carlisle (7.3) 38.2 39.75-63.57 Krispy Kreme Doughnuts (7.1) (2.5) 30.20-49.74 Martin Marietta Materials (5.5) 60.4 26.71-50.69 Goodrich (5.1) 97.8 12.20-32.90 Summit Properties (4.9) 24.9 18.00-24.75 Piedmont Natural Gas (4.8) 15.6 35.15-43.95 Old Dominion Freight Line (4.7) 63.9 19.50-36.17 Top 10 small-cap stocks 3-month 1-year 52-week Company change (1) change range MedCath 50.0% 201.3% $3.15-17.10 Wellco Enterprises 41.2 41.2 8.55-22.69 Pozen 40.9 253.1 3.26-19.30 EnPro Industries 35.7 360.6 3.75-20.17 Pharmanetics 25.7 (75.3) 1.25-9.70 Charles & Colvard 24.7 9.6 3.05-6.23 Blue Rhino 24.5 62.6 10.00-16.95 Gateway Financial Holdings 18.3 54.4 8.55-15.20 SciQuest 15.3 (9.1) 3.03-5.08 TriPath Imaging 13.3 133.9 3.47-10.95 Bottom 10 small-cap stocks 3-month 1-year 52-week Company change (1) change range aaiPharma (66.1)% (2.6)% $7.46-31.85 Unifi (36.8) (8.7) 3.90-7.37 US LEC (28.3) 54.3 3.20-8.60 Trimeris (28.1) (64.3) 14.70-55.64 Pantry (24.3) 349.9 3.78-29.64 Embrex (23.2) 46.0 7.57-15.90 Closure Medical (18.8) 103.1 12.50-39.59...