NEW YORK ( TheStreet) -- Investors looking for a broader sustainability benchmark get their wish at the end of November when Dow Jones Indexes and SAM, a firm that specializes in sustainability investing, launch a new index.

The Dow Jones Sustainability World Enlarged Index will track the performance of 20% of the most sustainable companies of the 2,500 largest companies in the Dow Jones Global Total Stock Market Index. The new index will have 513 components and a market cap of $11.5 trillion, as of mid-November. Key holdings include Procter & Gamble ( PG), IBM ( IBM), Johnson & Johnson ( JNJ), General Electric ( GE) and Chevron ( CVX).

Rodrigo Amandi, managing director of SAM Indexes, said the DJSI World Enlarged was prompted by investor demand.

"SAM Indexes has repeatedly received inquiries for a more extensive investment universe from institutional investors managing sustainability portfolios," he said in a statement.

The new index will be reviewed annually. As is the case with the entire family of Dow Jones Sustainability Indexes, SAM evaluates companies based on a economic, environmental and social performance.

-- Written by Melinda Peer in New York.

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Disclosure: TheStreet's editorial policy prohibits staff editors and reporters from holding positions in any individual stocks.

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