G20 growth promise keeps shares near 9-month high

By Marc Jones LONDON (Reuters) - World shares held near nine-month highs on Monday after G20 finance chiefs said over the weekend they would use "all policy tools" to lift global growth. Backsliding oil prices held back commodity firms and some emerging markets, however, meaning MSCI's All World index failed to get over the peaks it scaled last week. Wall Street was expected to start the week flat too, with last week's record highs for the S&P 500 and Dow Jones likely to keep traders, still