ASK - Current price that a stock can be bought for.

BAGGER - The amount of times a person has multiplied their stock from their purchase price.

BEAR - Person who thinks the market will go down.

BID - Current price that a broker will pay for a stock.

BULL - Person who thinks the market will go up.

BUY STOP ORDER - Investors typically use a stop order when buying stock to limit a loss or protect a profit on short sales. The order is entered at a stop price that is always above the current market price.

DD - Due Diligence (Research about a stock)

DUMP - Selling of a stock. (Usually in tandem with "Pumping", "Pump and Dump")

DYODD - Do Your Own Due Diligence

EOD - End Of Day

EOM - End Of Month or End Of Message

FS (F/S) - Forward Split

GAP/GAPPER/GAPPING - A stock that will open up higher than it's previous close, before the market opens.

HOD - High Of the Day

IMHO - In My Honest Opinion (In My Humble Opinion)

IMO - In My Opinion

IPO - Initial Public Offering

LIMIT ORDER - An order to buy or sell a security at a specific price.

MARKET ORDER - A market order is an order to buy or sell a stock at the current market price.

MM - Market Maker (The actual people who handle the trades)

MOMO - Momentum (Many buyers who are interested in the stock)

OTCBB - Over The Counter Bulletin Board

PUMP - Someone who "artificially" promotes a stock.

RS (R/S) - Reverse Split

SELL STOP ORDER - A sell stop order helps investors to avoid further losses or to protect a profit that exists if a stock price continues to drop. A stop order to sell is always placed below the current market price.

SPREAD - The price difference between the BID and ASK price.

STOP ORDER - An order to buy or sell a stock once the price of the stock reaches a specified price, known as the stop price. When the specified price is reached, your stop order becomes a market order.

T/A - Transfer Agent (People who keep track of the individuals and entities that own their stocks and bonds.)