Joomla Stock Ticker : This module is superb just you need code of companies lets say like Apple Inc(AAPL) whic you can get from Yahoo like this (http://in.finance.yahoo.com/q?s=AAPL) . You can add color , speed and other options from Joomla modules admin . it will work like bloomberg newsticker
1 - All Modern Browser Working (FF,Chrome,IE7+,Opera,Safari) .
2 - Add Any Number of stock code (e.g http://in.finance.yahoo.com/q?s=AAPL) .