Arena Pharmaceuticals

U.S. stocks were slightly lower as investors digested a report by Goldman Sachs speculating that the Fed Funds rate may be increased in the third quarter of 2015, earlier than expected. Earnings season unofficially kicks off this week with Alcoa (NYSE: AA) reporting on Tuesday. Many Dow...

Most of the S&P 500 have already posted their first-quarter results. This week, big retailers begin to share their earnings reports. Wal-Mart (NYSE: WMT), the big daddy of retailers, steps onto the earnings stage Thursday. Macy's (NYSE: M) and J.C. Penney (NYSE: JCP) are also scheduled to...

After what set up to be a rough day in the market, major indices turned around and finished the day higher yesterday. Thursday, the Dow was up 63.65 points to finish the day at 16,027.59. The S&P was up 0.6 percent, or about 10 points, to 1,829.83 and the NASDAQ was up about one percent to...

U.S. stocks traded mixed today as investors are anxiously waiting for Tuesday's testimony from Janet Yellen. Yellen will make her first appearance before the U.S. House of Representatives with a Senate session scheduled for Thursday. Elliot Spar, market strategist at Stifel told CNBC that "...

Among leading biotech and emerging pharmaceutical companies, Celgene (NASDAQ: CELG), Onyx Pharmaceuticals (NASDAQ: ONXX) and Vertex Pharmaceuticals (NASDAQ: VRTX) saw significant percentage declines in short interest between the July 31 and August 15 settlement dates. Short sellers also shied away...

Among biotech and emerging pharmaceutical companies, Amgen (NASDAQ: AMGN), Onyx Pharmaceuticals (NASDAQ: ONXX) and Pharmacyclics (NASDAQ: PCYC) saw the most significant percentage declines in short interest between the June 28 and July 15 settlement dates. Short sellers also shied away from...

Among biotech and emerging pharmaceutical companies, Gilead Sciences (NASDAQ: GILD) and Onyx Pharmaceuticals (NASDAQ: ONXX) saw the most significant rises in short interest between the June 14 and June 28 settlement dates. The number of shares sold short in Amgen (NASDAQ: AMGN), Arena...

Among biotech and emerging pharmaceutical companies, Celgene (NASDAQ: CELG) and saw the most significant rise in short interest between the May 31 and June 14 settlement dates. The number of shares sold short in Onyx Pharmaceuticals (NASDAQ: ONXX), Pharmacyclics (NASDAQ: PCYC) and Regeneron...

Among biotech and emerging pharmaceutical companies, Biogen Idec (NASDAQ: BIIB), saw the most significant rise in short interest between the May 15 and May 31 settlement dates. The number of shares sold short in Amgen (NASDAQ: AMGN), Dendreon (NASDAQ: DNDN), Onyx Pharmaceuticals (NASDAQ: ONXX)...

Among biotech and emerging pharmaceutical companies, Regeneron Pharmaceuticals (NASDAQ: REGN) and Vertex Pharmaceuticals (NASDAQ: VRTX) saw he most significant rise in short interest between the April 30 and May 15 settlement dates. The number of shares sold short in Alexion Pharmaceuticals (...

The short interest moves in biotech and emerging pharmaceutical companies were mixed in the latter two weeks of April. The number of shares sold short in Dendreon (NASDAQ: DNDN), Gilead Sciences (NASDAQ: GILD), Illumina (NASDAQ: ILMN), Onyx Pharmaceuticals (NASDAQ: ONXX) and VIVUS (NASDAQ: VVUS)...

The short interest moves in biotech and emerging pharmaceutical companies were mixed in the first two weeks of April. The number of shares sold short in Alexion Pharmaceuticals (NASDAQ: ALXN), Amgen (NASDAQ: AMGN), Biogen Idec (NASDAQ: BIIB), Dendreon (NASDAQ: DNDN), Gilead Sciences (NASDAQ: GILD...

The short interest in biotech and emerging pharmaceutical companies was mixed in the final two weeks of March. The number of shares sold short in Alexion Pharmaceuticals (NASDAQ: ALXN), Arena Pharmaceuticals (NASDAQ: ARNA), Illumina (NASDAQ: ILMN), Onyx Pharmaceuticals (NASDAQ: ONXX), Vertex...

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 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...