Read in, search, and print XLS file

Avg Bid (USD)
Project Budget (USD)
$30 - $250

Project Description:
I need a program written that will read in an XLS file, go through a list searching for extra data on each parameter and then print out a new XLS file. The search will need to access a financial website (I.e. yahoo finance) for specific data and add that to the XLS file. The XLS file must be printed out in a certain format to graph it in a time series.

Additional Project Description:
02/09/2013 at 18:45 AKST

For a bonus:

The XLS file is a list of stocks to a particular index with start and end dates for when the stock was entered and exited the index. I would also like to verify the dates shown if possible.

The method I was recommended to was to go through academic databases and check articles to verify the dates. However any other method that would get the job done would be accepted.

If this is done the program should then print out the revised dates as part of the XLS file.

Skills required:
C Programming, Java, Javascript, Python, Software Architecture
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