Reading the stock tables is like swimming in alphabet soup. Not only does each company have a ticker symbol of one to five letters, but market listings are also peppered with an array of behind the dot codes that tell you something about the stock. The abbreviation .PK is one such code -- and it tells you to be extremely careful.
Facts and Tips about Phobic Disorders. 1  Phobic Disorders is common form of anxiety disorder, having unreasonable fear of certain situations, conditions, or substance. 2  Phobic Disorders is further divided into three types such as agoraphobia, social phobia (social anxiety disorder) and specific phobias.
Types of anxiety disorders. Common diagnosis of mental illness, under the category of anxiety disorders, includes: 1  Panic disorder. 2  Obsessive-compulsive disorder (OCD). 3  Post-traumatic stress disorder (PTSD). 4  Social phobia (social anxiety disorder). 5  Generalized anxiety disorder (GAD).