Trading Block: Earnings today include: AMC Entertainment Holdings, Loews Corporation (before), and Dunn & Bradstreet, General Growth Properties (after). U.S. stocks pressured as oil losses mount. Crude back below $40. BATS to launch "BAM" Options Auctions, offering competitive price improvement opportunity.

Odd Block: Calls selling and buying in MetLife (MET), calls selling in FDC First Data Corp (FDC), and LEAPS put buying in Trina Solar Limited (TSL).

Strategy Block: Uncle Mike Tosaw discusses portfolio margining

Options Question of the Week: What is most important to you when choosing an options broker?

• Commissions
• Platform Features
• Support/Service
• Educational Offerings

Around the Block: Earnings Highlights for the Week.

• Tuesday: Avis Budget Group, CVS Health Corporation, Ecolab, Electronic Arts, Etsy, Fitbit, Intercontinental Hotels Group, La Quinta, Pfizer, Potbelly Corporation, Royal Caribbean Cruises
• Wednesday: Cedar Fair, Crocs, GoDaddy, Herbalife, Intercontinental Exchange, Office Depot, Tesla Motors, Time Warner, Twenty-First Century Fox
• Thursday: Activision Blizzard, Almo Group, AMC Networks, Bats Global Markets, HH Gregg, Icahn Enterprises, LinkedIn Corporation, Lions Gate Entertainment Corporation, MGM Resorts International, Nokia Corporation, Starwood Property Trust, Time Inc, Weight Watchers International, Zillow
• Friday: Virgin America