I'd like to have a new function IndSum(X) which will sum X across its industry. For example, MktCap/IndSum(MktCap) tells a company's weight within its industry. Also I think IndSum(MktCap) / IndSum(BV$Q) is a better way to measure industry price to book ratio.

Results: Total score: 10 , # of Votes: 3 , Average: 3.3
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Requested by: hihint
On date: 09/30/11
Category: Factors and Functions