Warren Buffett posted pedestrian investment returns over the last years of his career, due largely to a failure to grasp the ...

Discover what the preferred dividend coverage ratio is, learn how to calculate it, and understand its importance in assessing ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Head and Neck Cancer : Head and neck cancer, which includes cancers of the larynx, nasal passages, oral cavity, pharynx, salivary glands, and thyroid, accounts for 3% of all malignancies in the United ...