biogen idec

The short interest in biotech and emerging pharmaceutical companies was mixed again in the first two weeks of March. The number of shares sold short in Arena Pharmaceuticals (NASDAQ: ARNA), Dendreon (NASDAQ: DNDN), Illumina (NASDAQ: ILMN) and VIVUS (NASDAQ: VVUS) grew somewhat between the...

The cover story in this week's Barron's offers suggestions for a more sophisticated strategy for investing in emerging markets. Gone are the days when all it took to make money was to buy the index or a fund that did not stray far from it. Among the BRIC countries, the large emerging economies...

The short interest in biotech and emerging pharmaceutical companies was mixed again in the final two weeks of February. The number of shares sold short in Alexion Pharmaceuticals (NASDAQ: ALXN), Arena Pharmaceuticals (NASDAQ: ARNA), Dendreon (NASDAQ: DNDN), Gilead Sciences (NASDAQ: GILD), Onyx...

The short interest in biotech and emerging pharmaceutical companies was mixed again in the first two weeks of February. The number of shares sold short in Arena Pharmaceuticals (NASDAQ: ARNA), Illumina (NASDAQ: ILMN) and Vertex Pharmaceuticals (NASDAQ: VRTX) grew somewhat between the January 31...

The short interest in biotech and emerging pharmaceutical companies was mixed again in the latter two weeks of January. The number of shares sold short in Arena Pharmaceuticals (NASDAQ: ARNA), Dendreon (NASDAQ: DNDN), Gilead Sciences (NASDAQ: GILD), Vertex Pharmaceuticals (NASDAQ: VRTX) and VIVUS...

The short interest in biotech and emerging pharmaceutical companies was mixed again in the first two weeks of January. The number of shares sold short in Arena Pharmaceuticals (NASDAQ: ARNA), Dendreon (NASDAQ: DNDN), Gilead Sciences (NASDAQ: GILD), Onyx Pharmaceuticals (NASDAQ: ONXX) and Vertex...

The short interest in biotech and emerging pharmaceutical companies was mixed again in the first two weeks of December. The number of shares sold short in Amgen (NASDAQ: AMGN), Arena Pharmaceuticals (NASDAQ: ARNA), Dendreon (NASDAQ: DNDN) and Illumina (NASDAQ: ILMN) grew somewhat between the...

The short interest in biotech and emerging pharmaceutical companies was mixed again in the final two weeks of November. Shares sold short in Alexion Pharmaceuticals (NASDAQ: ALXN), Illumina (NASDAQ: ILMN) and Regeneron Pharmaceuticals (NASDAQ: REGN) grew somewhat between the November 15 and...

The short interest in biotech and emerging pharmaceutical companies was mixed in the final two weeks of October. Shares sold short in Arena Pharmaceuticals (NASDAQ: ARNA), Dendreon (NASDAQ: DNDN), Gilead Sciences (NASDAQ: GILD), Illumina (NASDAQ: ILMN) and VIVUS (NASDAQ: VVUS) grew somewhat between...

The short interest in biotech and emerging pharmaceutical companies was mixed in the first two weeks of October. Shares sold short in Alexion Pharmaceuticals (NASDAQ: ALXN), Amgen (NASDAQ: AMGN), Celgene (NASDAQ: CELG), Dendreon (NASDAQ: DNDN), Illumina (NASDAQ: ILMN), Onyx Pharmaceuticals (NASDAQ...

After largely rising in the previous period, short interest in biotech and emerging pharmaceutical companies was mixed in the final two weeks of September. Shares sold short in Amgen (NASDAQ: AMGN), Arena Pharmaceuticals (NASDAQ: ARNA), Dendreon (NASDAQ: DNDN), Illumina (NASDAQ: ILMN), Onyx...

The short interest data is out from the September 14 settlement date. By and large, short sellers have resumed their gambles on biotech firms compared to the August 31 settlement date. Short interest had waned for the most part in the two weeks before the end of August. Two notable exceptions to...

The short interest data is out from the August 31 settlement date. By and large short sellers have retreated from gambles on biotech firms, compared to the August 15 settlement date. A few notable exceptions were Amgen (NASDAQ: AMGN), for which short interest was higher by 8.8 percent to 12.8...

Short interest data has been released from the August 15 settlement date. Overall short sellers have continued to bet on biotech firms compared to the July 31 settlement date. A couple of notable exceptions are Alexion Pharmaceuticals (NASDAQ: ALXN) and Biogen Idec (NASDAQ: BIIB), which saw short...

The short interest data is out from the July 31 settlement date. By and large short sellers have retreated from gambles on biotech firms compared to the July 13 settlement date. A couple of notable exceptions were Dendreon (NASDAQ: DNDN), for which short interest was higher by 7 percent to 40.8...