WinnersClaymore/AlphaShares China Real Estate ( TAO) +6.0% There were some reasons to think Chinese real estate firms would underperform, given a string of less than stellar IPOs, but a successful IPO of China Real Estate Information ( CRIC) on Friday and the 7% increase in the offering size of the pending Hong Kong IPO of Evergrande, a Chinese developer, suggests that some demand has come back into the market. PowerShares DB Base Metals ( DBB) +7.7% iPath Copper Total Return ETN ( JJC) +6.5% Industrial metals picked up thanks to positive economic data. Dr. Copper is said to have the best forecasting ability of any economist, and he's grown more bullish in October, after turning a bit bearish in September. iPath Grains Total Return ( JJG) +7.0% PowerShares DB Agriculture ( DBA) +1.7% Last week, DBA was a winner for the week as short-covering lifted grains, but this week JJG was the winner, with DBA's mild gain unimpressive and included only for comparison. JJG has nearly half the portfolio in soybeans, almost one-third in corn, and less than one-quarter in wheat. Corn and soybeans spiked this week and the more concentrated JJG benefited.