Top Medical Stocks To Watch Right Now

Although business headlines still tout earnings numbers, many investors have moved past net earnings as a measure of a company's economic output. That's because earnings are very often less trustworthy than cash flow, since earnings are more open to manipulation based on dubious judgment calls.

Earnings' unreliability is one of the reasons Foolish investors often flip straight past the income statement to check the cash flow statement. In general, by taking a close look at the cash moving in and out of the business, you can better understand whether the last batch of earnings brought money into the company, or merely disguised a cash gusher with a pretty headline.

Calling all cash flows
When you are trying to buy the market's best stocks, it's worth checking up on your companies' free cash flow once a quarter or so, to see whether it bears any relationship to the net income in the headlines. That's what we do with this series. Today, we're checking in on Greenway Medical Technologies (NYSE: GWAY  ) , whose recent revenue and earnings are plotted below.

Top Medical Stocks To Watch Right Now: Terumo (TRUMY.PK)

TERUMO CORPORATION operates in four business segment. The Hospital Products segment is engaged in the manufacture, purchase and sale of hospital medical equipment, pharmaceuticals, peritoneal dialysis and diabetes related products, and the rental of hospital medical equipment and home medical products. The Cardiac and Vascular Area segment is involved in the manufacture, purchase and sale of catheter systems, artificial heart and lungs, as well as artificial blood vessels, the manufacture and sale of therapeutic coils for cerebral aneurysm, sampling equipment and kits for platelet-rich plasma and concentrated bone-marrow cell, and large-bore sheaths. The Blood System segment is engaged in the manufacture, purchase and sale of blood transfusion-related products. The Healthcare segment manufactures and sells healthcare related products. As of March 31, 2012, the Company had 79 subsidiaries and 2 associated companies.

Top Medical Stocks To Watch Right Now: Hemispherx Biopharma Inc (HEB)

Hemispherx Biopharma, Inc. (Hemispherx) is a specialty pharmaceutical company engaged in the clinical development of new drugs therapies based on natural immune system enhancing technologies for the treatment of viral and immune based chronic disorders. Hemispherx focuses on two core pharmaceutical technology platforms Ampligen and Alferon N Injection.The commercial focus for Ampligen includes application as a treatment for Chronic Fatigue Syndrome (CFS) and as an influenza vaccine enhancer (adjuvant) for both therapeutic and preventative vaccine development. Alferon N Injection is a United States Food and Drug Administration (FDA) approved product with an indication for refractory or recurring genital warts. Alferon LDO (Low Dose Oral) is a formulation under development targeting influenza. It has three subsidiaries BioPro Corp., BioAegean Corp., and Core BioTech Corp. The Company's foreign subsidiary is Hemispherx Biopharma Europe N.V./S.A.

Ampligen

Ampligen is an experimental drug, which is undergoing clinical development for the treatment of Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS). Over 1,000 patients have participated in the Ampligen clinical trials representing the administration of more than 90,000 doses of this drug. The Company is also engaged in ongoing, experimental studies assessing the efficacy of Ampligen against influenza viruses.

Alferon N Injection

Alferon N Injection is the registered trademark for the Company's injectable formulation of natural alpha interferon. Interferons are a group of proteins produced and secreted by cells to combat diseases. The Company's natural alpha interferon is produced from human white blood cells. Alferon N Injection [Interferon alfa-n3 (human leukocyte derived)] is a highly purified, natural-source, glycosylated, multi-species alpha interferon product.

Alferon LDO (Low Dose Oral)

Alferon LDO [Low Dose Oral Interferon Alfa-n3 (Human Leukocyte Derived)]! is an experimental low-dose, oral liquid formulation of Natural Alpha Interferon and like Alferon N Injection should not cause antibody formation, which is a problem with recombinant interferon. It is an experimental immunotherapeutic that works by stimulating an immune cascade response in the cells of the mouth and throat, enabling it to bolster systemic immune response through the entire body by absorption through the oral mucosa.

The Company competes with Pfizer, GlaxoSmithKline, Merck, AstraZeneca, Baxter International, Fletcher/CSI, AVANT Immunotherapeutics, AVI BioPharma and Genta.

Top Stocks To Invest In: Dyadic International Inc (DYAI)

Dyadic International, Inc. (Dyadic), incorporated in September 2002, is a holding company. The Company is a global biotechnology company. The Company has operations at the United States and the Netherlands. Dyadic uses its technologies to conduct research and development (R&D) and commercial activities for the discovery, development, manufacture and sale of enzymes and proteins for the bioenergy, industrial enzyme, and biopharmaceutical industries. The Company derives all of its revenues from the licensing of its technologies, the sale of its enzymes and conducting research and development (R&D) activities for third parties. The Company operates in two segments: the United States operations and The Netherlands operations. The United States segment includes a subsidiary in Poland.

The United States operating segment is a developer, manufacturer and distributor of enzyme products, proteins, peptides and other bio-molecules derived from genes and a collaborative licensor of enabling technologies for the development and manufacturing of biological products and use in R&D. The Netherlands operating segment is also a researcher and developer of enzyme products, proteins, peptides and other bio-molecules derived from genes and, to date, has mainly invested in R&D activities.

Dyadic�� R&D activities focus on its fungal strains and associated technologies. Dyadic uses its Trichoderma and C1 fungal strains in the production of its industrial enzymes. Dyadic manufactures and sells liquid and dry enzyme products to global customers for use within the animal feed, pulp and paper, starch and alcohol, food and brewing, textiles, and biofuels industries.

Dyadic also utilizes a technology platform based on its patented and C1 fungus (the C1 Platform Technology), which enables the development and manufacture of proteins and enzymes for diverse market opportunities. The C1 Platform Technology can also be used to screen for the discovery of novel genes and proteins. The C1 Platf! orm Technology also has the potential of developing and producing other biological products such as antibodies, vaccines, proteins and polypeptides for the biopharmaceutical industry.

Top Medical Stocks To Watch Right Now: NeoStem Inc (NBS)

NeoStem, Inc., incorporated on September 18, 1980, operates in cellular therapy industry. Cellular therapy addresses the process by which new cells are introduced into a tissue to prevent or treat disease, or regenerate damaged or aged tissue, and consists of a separate therapeutic technology platform in addition to pharmaceuticals, biologics and medical devices. The Company�� business model includes the development of novel cell therapy products, as well as operating a contract development and manufacturing organization (CDMO) providing services to others in the regenerative medicine industry. Progenitor Cell Therapy, LLC, the Company�� wholly owned subsidiary (PCT), is a CDMO in the cellular therapy industry. PCT has provided pre-clinical and clinical current Good Manufacturing Practice (cGMP) development and manufacturing services to over 100 clients advancing regenerative medicine product candidates through rigorous quality standards all the way through to human testing.

PCT has two cGMP, cell therapy research, development, and manufacturing facilities in New Jersey and California, serving the cell therapy community with integrated and regulatory compliant distribution capabilities. Its core competencies in the cellular therapy industry include manufacturing of cell therapy-based products, product and process development, cell and tissue processing, regulatory support, storage, distribution and delivery and consulting services. The Company�� wholly-owned subsidiary, Amorcyte, LLC (Amorcyte) is developing its own cell therapy, AMR-001, for the treatment of cardiovascular disease. AMR-001 represents its clinically advanced therapeutic product candidate and enrollment for its Phase II PreSERVE clinical trial to investigate AMR-001's safety and efficacy in preserving heart function after a heart attack in a particular type of post Acute Myocardial Infarction (AMI) patients.

Through the Company�� subsidiary, Athelos Corporation (Athelos), the Company is collaborating w! ith Becton-Dickinson in early stage clinical development of a therapy utilizing T-cells, collaborating for autoimmune and inflammatory conditions, including but not limited to, graft vs. host disease, type 1 diabetes, steroid resistant asthma, lupus, multiple sclerosis and solid organ transplant rejection. The Company�� pre-clinical assets include its Very Small Embryonic Like (VSEL) Technology platform. The Company has basic research and development capabilities, manufacturing facilities on both the east and west coast of the United States.

Top Medical Stocks To Watch Right Now: RXi Pharmaceuticals Corp (RXII.PK)

RXi Pharmaceuticals Corporation (RXi), incorporated on September 8, 2011, is a development-stage company. The Company is a biotechnology company focused on discovering, developing and commercializing therapies addressing medical needs using RNA interference (RNAi)-targeted technologies. As of July 12, 2012, RXi was focusing on its internal therapeutic development efforts in fibrosis. RXI-109 is its RNAi product candidate, which is a dermal anti-scarring therapy that targets connective tissue growth factor (CTGF). The Company�� therapeutic platform consists of two main components: RNAi Compounds (rxRNA) and Advanced Delivery Technologies. RNAi compounds include rxRNAori, rxRNAsolo and sd-rxRNA, or self-delivering RNA. On April 26, 2012, it completed the spin-off transaction from Galena Biopharma, Inc. (Galena).

In January 2011, the Company announced research results in collaboration with Generex Biotechnology Corporation, and RXi�� wholly owned subsidia ry Antigen Express, Inc., in developing vaccine formulations for immunotherapy. In January 2011, it announced initial results as part of its collaboration with miRagen Therapeutics, Inc. in creating microRNA mimics, or artificial copies of microRNAs, using the Company�� sd-rxRNA technology. In February 2011, it announced the initiation of RXi�� development program for RXI-109.

Top Medical Stocks To Watch Right Now: Cerus Corporation(CERS)

Cerus Corporation, a biomedical products company, engages in the development and commercialization of the INTERCEPT Blood System. The company?s INTERCEPT system is designed to inactivate blood-borne pathogens in donated blood components intended for transfusion. It markets the INTERCEPT system for platelets and plasma primarily in Europe, the Russian Federation, and the Middle East. The company is also developing INTERCEPT Blood System for red blood cells or red blood cell system, which is designed to inactivate blood-borne pathogens in donated red blood cells for transfusion. Cerus Corporation has collaboration agreements with Baxter International, Inc.; and BioOne Corporation, as well as the United States Armed Forces. The company was founded in 1991 and is based in Concord, California.