MOSCOW (RIA Novosti) -- Russia's investment index was to open Monday at 767.33 points, up 2.13% following Friday evening's sessions on major world trading floors.

The Russian Industrial Leaders Index (RUXX) is a composite economic index of 30 Russian companies with financial instruments (shares and depository receipts) placed on bourses, including the New York Stock Exchange, the London Stock Exchange, the Nasdaq and AMEX.
The index rose 3.3% in July, following a 5.8% increase in June.
The RUXX has been available for all global trading systems since February 1 2006 with an initial base of 500 points, and rose 55.3% by the end of the year. The number of companies included in the index has increased from 17 to 30.
The index is calculated in U.S. dollars and weighted according to companies' market capitalization. The higher the market capitalization, the larger the company's share in the index, with a weight cap of 20% for each company. Market capitalization and share weights in the index are changed quarterly.
The index includes Tatneft (LSE), MTS (NYSE), Rostelecom (NYSE, LSE), VimpelCom (NYSE), Wimm-Bill-Dann (NYSE), Mechel (NYSE), Gazprom (LSE), LUKoil (LSE), Novatek (LSE), AFK Sistema (LSE), Golden Telecom (Nasdaq), Rambler Media Group (LSE), Norilsk Nickel (LSE, Nasdaq), Mosenergo (LSE, NYSE), Novolipetsk Steel (LSE), Unified Energy System (LSE, NYSE), Surgutneftegaz (LSE), STS Media (Nasdaq), Comstar UTS (LSE), Cherkizovo Group (LSE), X5 Retail Group N.V. (LSE), Rosneft (LSE), Integra Group (LSE), Evraz Holding (LSE), Sitronics (LSE), Polymetal (LSE), Sistema-Hals (LSE), TMK (LSE), Chelyabinsk Zinc Plant (LSE) and Severstal (LSE).
The RUXX Index was launched by Press Release Group, a New York-based communications company, and RIA Novosti. It is calculated and disseminated by Dow Jones & Company. The index is published daily at 05:55 P.M. EST (10:55 P.M. GMT) by the Dow Jones ITC 2.1 data feed system and the Chicago Board of Trade