Option Block 173: Economists Do Not Have a Clue Trading Block: A mild rally on the day, VIX cash moving in lockstep with the market again. EA lawsuit pounds Zynga - THQ came out with earnings. Knight getting "rescue" bid from a bunch of customers including TD Ameritrade, and the stock has been a roller coaster ever since. Bernanke says economists don't have a clue about individual well-being. Oil up slightly. Odd Block: Unusual and interesting activity in Tumi Holdings, Inc. (TUMI) andChimera Investment Corp. (CIM). Xpress Block: Alex Jacobson gets the OX hot seat today, and discusses the secret project, Idea Hub, which he and his team have been working on recently, deep within the super-secret labs at Option Xpress. Around the Block: Disney earnings tomorrow, Nvidia 8/9, Priceline 8/10.