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.
For example, you could buy 10 shares of a stock priced at $5 per share for $50 plus commission. When you buy stock through a broker, you must buy whole shares of stock, so the cost to invest is a combination of share price and number of shares you want to buy, plus the broker's commission.Share prices of different companies range from less than a dollar to thousands of dollars.t is probably possible to buy shares of stock with almost any amount of money. With as little as a few hundred dollars, you can start investing in stocks.