To add a new post, please log in or register All Blogs Analytics & ForecastsWeekly TrendsForecastsTrading SystemsMy TradingChartsTrading StrategiesStatisticsTrading IdeasScalpingNeural NetworksWave CountMarket NewsCurrencyMetalsCrude OilCompany NewsEventsBanksBrokersLaw/RegulationsOther Rules Petra Diamonds 927 Market News Diamond prices fall along with commodities; Weak China 30 July 2015 #China, commodities