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These are the best and worst-performing medical and biotech stocks from July 5, 2013, to July 12, 2013. This screen includes biotechnology and medical companies traded on the New York Stock Exchange, the Nasdaq or the American Stock Exchange that had market capitalizations of more than $300 million as of a week ago. The data come from Interactive Data and Thomson Reuters Fundamentals via FactSet Research Systems.
The Best Performers
| Recent | 1-week | 52-week | ||
| Market | price | price | ||
| value | change | change | ||
| Ticker | Company | ($MIL) | % | % |
| RNA | Prosensa Holding N.V. | 943.6 | 41.2 | #N/A |
| ALNY | Alnylam Pharmaceuticals Inc. | 3,111.0 | 32.3 | 302.6 |
| ITMN | InterMune Inc. | 1,017.0 | 24.5 | 10.2 |
| PCYC | Pharmacyclics Inc. | 7,865.2 | 24.2 | 98.3 |
| EPZM | Epizyme Inc. | 993.3 | 22.0 | #N/A |
| TSRX | Trius Therapeutics Inc. | 473.5 | 19.4 | 67.9 |
| ASTX | Astex Pharmaceuticals Inc. | 501.7 | 18.9 | 146.1 |
| ACRX | AcelRx Pharmaceuticals Inc. | 455.4 | 18.9 | 256.6 |
| VVUS | VIVUS Inc. | 1,479.8 | 18.7 | -47.0 |
| ALXN | Alexion Pharmaceuticals Inc. | 22,297.5 | 18.5 | 17.6 |
The Worst Performers
| Recent | 1-week | 52-week | ||
| Market | price | price | ||
| value | change | change | ||
| Ticker | Company | ($MIL) | % | % |
| MACK | Merrimack Pharmaceuticals Inc. | 488.1 | -27.4 | -29.4 |
| ISRG | Intuitive Surgical Inc. | 17,230.7 | -14.9 | -19.7 |
| GTXI | GTx Inc. | 365.4 | -14.6 | 57.5 |
| BABY | Natus Medical Inc. | 370.4 | -14.6 | -3.2 |
| AMRN | Amarin Corp. PLC ADS | 791.7 | -11.7 | -64.1 |
| MDXG | MiMedx Group Inc. | 592.5 | -6.9 | 180.9 |
| CLDX | Celldex Therapeutics Inc. | 1,644.1 | -4.4 | 291.7 |
| ALOG | Analogic Corp. | 874.5 | -4.4 | 15.8 |
| FLDM | Fluidigm Corp. | 418.7 | -4.1 | 23.7 |
| NXTM | NxStage Medical Inc. | 823.8 | -4.0 | -11.6 |
The Best-Performing Biotech Stocks Of The Past 52 Weeks
| Recent | 1-week | 52-week | ||
| Market | price | price | ||
| value | change | change | ||
| Ticker | Company | ($MIL) | % | % |
| SRPT | Sarepta Therapeutics Inc | 1,413.6 | 9.0 | 973.4 |
| ACAD | ACADIA Pharmaceuticals Inc. | 1,463.8 | 2.5 | 944.6 |
| AEGR | Aegerion Pharmaceuticals Inc. | 2,230.2 | 8.9 | 424.5 |
| PBYI | Puma Biotechnology Inc. | 1,594.7 | -0.3 | 394.3 |
| ALNY | Alnylam Pharmaceuticals Inc. | 3,111.0 | 32.3 | 302.6 |
| KERX | Keryx Biopharmaceuticals Inc. | 662.7 | 1.6 | 293.7 |
| CLDX | Celldex Therapeutics Inc. | 1,644.1 | -4.4 | 291.7 |
| TEAR | TearLab Corp. | 343.6 | 7.2 | 260.5 |
| ACRX | AcelRx Pharmaceuticals Inc. | 455.4 | 18.9 | 256.6 |
| CLVS | Clovis Oncology Inc. | 2,208.7 | -0.9 | 249.6 |
| CYTK | Cytokinetics Inc. | 361.7 | 7.9 | 248.5 |
