custom php script

IN PROGRESS
Bids
15
Avg Bid (USD)
$94
Project Budget (USD)
$30 - $250

Project Description:
i need custom form with custom fields:
1. Username
2. STOCK SYMBOL: (custom field)
3. STOCK PRICE WHEN PURCHASED (custom field)
4. HOW MANY STOCKS YOU INVESTED (custom field)
5. HOW MUCH IS THE STOCK PRICE NOW. (this field's value has to be fetched from Yahoo Finance or any other stock sites)
6. PROFIT/LOSS (this field value should be calculated according to above fields like: (2x3)-(3x4)

once entered these values, they are stored in database and display it in a page per username. something like script.php?username=userA

and i need another page where it will RANK all users according to PROFIT/LOSS

Skills required:
PHP
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