Stock ETFs surged Friday as investors cheered renewed signs of a eurozone deal with debt-saddled Greece. A second day of robust market action in China further boosted the stock market today is well below both its 50-day and 200-day moving averages. China accounts for 21% of assets — the largest single-country allocation. But soaring over all, Market Vectors China AMC SME-ChiNext (CNXT) notched a 23% gain.