How are corticosteroids used? Corticosteroid drugs are used to treat rheumatoid arthritis, lupus, asthma, allergies and many other conditions. They also treat Addison's disease, a condition where the adrenal glands aren't able to produce even the minimum amount of corticosteroid that the body needs.
Buying and selling stock. You can give your advisor or investment firm instructions to buy or sell a stock in person, by phone or online. This is called placing your order. Youâll pay a commission each time you buy or sell a stock. things you need to place an order. 1  What you want to buy or sell â You may be able to place multiple trades on 1 order. 2  Your advisor or investment firm will confirm your specific choices before placing your order. 3  How much you want to buy or sell â You may need to buy a minimum amount of the stock.
Learn how to calculate margin. To calculate the margin required for a long stock purchase, multiply the number of shares X the price X the margin rate. The margin requirement for a short sale is the regular margin requirement plus 100% of the value of the security. Long Stock. Purchase 1,000 shares of a stock at $50 with margin rate of 30%.