This column brings you the most interesting and useful business and financial commentary on the world of technology every day. Quartz Link: Is Today the Day Apple’s Stock Drops Below $500 a Share? “Apple’s (NASDAQ:AAPL) stock is currently down 5% in trading on German markets and opening bid and ask prices on NASDAQ (INDEXNASDAQ:.IXIC) are already at around $500. The reason appears to be a WSJ report that Apple’s orders for components for the iPhone 5 for the January through March quarter of 2013 are half what the company had originally planned reflecting weaker-than-expected demand for the phone.”   VentureBeat Link: Facebook’s Tuesday Event Fuels ‘Facebook ...