Trading Block: Most major markets off 0.5% or more. VIX cash watch. Earnings today (before) Dunkin Brands,General Motors, Marriott Vacations, Southwest Airlines; (after) AT&T, Chipotle Mexican Grill, E*Trade Financial (ETFC). Apple Watch is a flop!

Odd Block: Calls trade in Nobel Corporation (NE), calls trade in Teucrium Corn Fund (CORN), calls and puts trade in Ebay Inc (EBAY), and calls trade in Mattel Corp (MAT).

Mail Block: Listener questions and comments....LIVE!

• Size aside, what are the primary benefits of using SPX instead of SPY.
• What is going on in the VIX Aug 13 puts?
• Which names are the most reliable premium writes each quarter?
• Is there a tradeable pair between VIX and another member of the family of volatility products?
• What to do with the upcoming UVXY reverse split?

Around the Block: Earnings on Friday: American Airlines, General Electric Company, TCF Financial, Whirlpool Corporation.