Two ways opportunities (basic forex)

For the concept of profit if the price Rises may not need to explain Because it is a reasonable concept, We buy something Pls it's cheap (Open Buy) and hope the price goes up then sell it (Sell Liquid), the benefits obtained from the difference the between the selling price with the purchase price.
Well what if prices go down? How to get your benefits?

Forex Market Background Market is very large, namely the international market is worldwide and transactions Happen Quickly.

 
Concept to profit Pls the price comes down to is: Expensive SELL PRICE FIRST TIME THEN BUY BACK THE PRICE DOWN.

 
How can I sell if I have not Bought?
Could, Because nobody wants to Lend to you!
A simple example is the Consignment in the world trade system, the which We loaned by the Supplier for goods sold and We do not directly pay When We receive the goods. After the goods are sold to our customers (of course more expensive than the purchase price to the supplier), then We pay back to our supplier with a cheaper price than the selling price to our customers.
Well in Forex Trading as well, Pls you open a Sell position, then you borrow another person to sell a position and you must return it with the purchase of the market again, Certainly the hope When We buy in repayment, the price is cheaper (down) than When We sell / borrow (Sell).
This process is Carried out by the system through the stock, so We do not know from Whom We borrow / open sell position and from Whom We purchase / closing positions Sell Forex Market is coupled with a worldwide then there are always Those WHO sell or buy on time.
Well this is the concept of Sell, Sell open position (sell) and expect the price down so That We Can Cover (Buy Liquid) with a lower price. The advantage gained from the difference the between the selling price with the purchase price. But if until prices rise above the purchase price (Open Buy), then you lose