To gain an edge, this is what you need to know today.Gold SoarsPlease click here for an enlarged chart of SPDR Gold Trust (NYSE: GLD).Note the following:The chart shows gold is soaring to a new high.The chart shows zone 1 (resistance) is the magnet.The chart shows zone 2 (support) is not far below.RSI on the chart shows gold is overbought and vulnerable to a pullback.  More importantly, RSI is showing a divergence.  A divergence often foretells a pullback unless there is macro news.Prudent investors should ...