WCLD provides exposure to cloud computing stocks which includes those involved with servers, storage, databases, networking software, analytics, and intelligence. The index is provided by NASDAQ, which is designed to capture emerging public companies that derive a majority of their revenues from cloud computing software products or services. Customers must be serviced through either a cloud delivery or cloud economic model. To be include in the index, a company must: have a revenue growth rate of at least 15% for each of the last two full fiscal years for new Index constituents or a revenue growth rate of at least 7% in at least one of the last two fiscal years for existing constituents, the companys stock must be listed for trading on a US stock exchange and meet minimum liquidity requirements. The Index is reconstituted and rebalanced semi-annually.