Here are the latest news items and commentary on current economics news, market trends, stocks, investing opportunities, and the precious metals markets. We also cover hedges, derivatives, and obscura. Most of these items are from the “tangibles heavy” contrarian perspective of SurvivalBlog’s Founder and Senior Editor, JWR. Today, we look at Bitcoin volatility. (See the Forex & Cryptos section.) Precious Metals: For those of you who took my advice and bought rhodium: This current spike to $10,000 per ounce is a good time to sell. As always: Buy low, and sell high. o o o Greyerz: The Crisis Will Sink …