Healthcare Unusual volume: Natural Alternatives International (NASDAQ:NAII), Merrimack Pharmaceuticals (NASDAQ:MACK), BioTime, (NYSEMKT:BTX), Avanir Pharmaceuticals Inc (NASDAQ:AVNR)

Natural Alternatives International, Inc. (NASDAQ:NAII), a leading formulator, manufacturer and marketer of customized nutritional supplements, announced the addition of Eugene M. Quast to lead its sales function as Vice President Global Sales. Natural Alternatives International, Inc. (NASDAQ:NAII), shares after opening at $5.82 moved to $5.82 on last trade day and at the end of the day closed at $5.31. Company price to sales ratio in past twelve months was calculated as 0.55 and price to cash ratio as 2.23. Natural Alternatives International, Inc. (NASDAQ:NAII), showed a negative weekly performance of 6.68%.

Merrimack Pharmaceuticals Inc (NASDAQ:MACK), announced that its Phase 3 study of the combination of MM-398 with 5-fluorouracil and leucovorin achieved an overall survival of 6.1 months, a 1.9 month improvement over the 4.2 month survival demonstrated by the control arm of 5-FU and leucovorin alone. Merrimack Pharmaceuticals Inc (NASDAQ:MACK), shares advanced 59.23% in last trading session and ended the day on $6.99. Merrimack Pharmaceuticals Inc (NASDAQ:MACK), return on equity ratio is recorded as 349.10% and its return on assets is -80.40%. Merrimack Pharmaceuticals Inc (NASDAQ:MACK), yearly performance is 55.33%.

BioTime, Inc. (NYSEMKT:BTX), through its new research products division ESI BIO, unveiled a new responsive design website, www.esibio.com, which enriches the online research reagent shopping experience by delivering full content and functionality across all devices. BioTime, Inc. (NYSEMKT:BTX), shares moved down 2.70% in last trading session and was closed at $2.52, while trading in range of $ 2.42 – 2.57. BioTime, Inc. (NYSEMKT:BTX), year to date (YTD) performance is -30.00%.

Avanir Pharmaceuticals Inc (NASDAQ:AVNR), announced that company management will present an overview of the company at the following conferences in May. Deutsche Bank 39th Annual Health Care Conference. Presentation date: Thursday, May 8, 2014. Presentation time: 2:10 p.m. E.T. Bank of America Merrill Lynch 2014 Health Care Conference. Presentation date: Tuesday, May 13, 2014. Presentation time: 1:00 p.m. P.T. Avanir Pharmaceuticals Inc (NASDAQ:AVNR), weekly performance is 33.24%. On last trading day company shares ended up $4.65. Avanir Pharmaceuticals Inc (NASDAQ:AVNR), distance from 50-day simple moving average (SMA50) is 21.14%. Analysts mean target Price for the company is $7.57.