Drug Manufacturer Most Volatile: KaloBios Pharmaceuticals Inc (NASDAQ:KBIO), Zogenix (NASDAQ:ZGNX), Rigel Pharmaceuticals (NASDAQ:RIGL), GW Pharmaceuticals (NASDAQ:GWPH)

KaloBios Pharmaceuticals, Inc. (NASDAQ:KBIO) presented at the 26th Annual ROTH Conference on Wednesday, March 12, 2014 in Laguna Niguel, Californi 8:00 – 8:30 AM. Pacific Time KaloBios Pharmaceuticals Inc (NASDAQ:KBIO) stock performance was -5.03% in last session and finished the day at $3.02. Traded volume was 205,759.00million shares in the last session and the average volume of the stock remained 355.36K shares. KaloBios Pharmaceuticals Inc (NASDAQ:KBIO) insider ownership is 39.05%.

Zogenix began shipping Zohydro to pharmacies last week. Shares of Zogenix Inc. (NASDAQ:ZGNX), the maker of Zohydro, plunged more than 20 percent after the announcement. Zogenix, Inc. (NASDAQ:ZGNX) dropped -3.54 percent to $3.54 Friday on volume of 5.45million shares. The intra-day range of the stock was $3.29 to $3.58. Zogenix, Inc. (NASDAQ:ZGNX) has a market capitalization of $493.97million.

After a positive last week, Rigel Pharmaceuticals, Inc. (NASDAQ:RIGL), a clinical stage drug development company, started its latest week on a positive note as well. Its latest earnings report and the research results for R118 has spiked the rally in the stock. Rigel Pharmaceuticals, Inc. (NASDAQ:RIGL)’s stock on Mar 14, 2014 reported a increase of 15.46% to the closing price of $4.63. Its fifty two week range is $2.31-$7.61. The total market capitalization recorded $405.24million. The overall volume in the last trading session was 1.93million shares. In its share capital, RIGL has 87.43 million outstanding shares.

GW Pharmaceuticals PLC- ADR (NASDAQ:GWPH), the developer of cannabis-based painkillers, continued its yo-yo performance this week, as its shares joined the biggest small-cap risers. On Friday, shares of GW Pharmaceuticals PLC- ADR (NASDAQ:GWPH) dropped -7.71% to close the day at $74.69. Company return on investment (ROI) is -12.50% and its monthly performance is recorded as 17.77%. GW Pharmaceuticals PLC- ADR (NASDAQ:GWPH) quarterly revenue growth is 144.40%.