2. -- The economic calendar in the U.S. Tuesday includes durable-goods orders for May at 8:30 a.m. EDT, the Case-Shiller 20-city index for April at 9 a.m., consumer confidence for June at 10 a.m., and new-home sales for May at 10 a.m.
3. -- U.S. stocks on Monday tumbled over fears of a Chinese banking crisis and as three Federal Reserve presidents offered competing views about the central bank's plans for the stimulus measures that have helped fuel stocks for more than a year. The S&P 500 lost 1.2% to close at 1,573.09.
4. -- The U.S. increased pressure on Russia to hand over Edward Snowden, who Washington believes is in Moscow waiting for news of an asylum request to Ecuador, Reuters reported. Snowden, the leaker who exposed National Security Agency surveillance programs, left Hong Kong for Sheremetyevo airport on Sunday. Snowden had been expected to fly to Havana from Moscow on Monday and eventually go on to Ecuador, sources told Reuters. But he wasn't seen on an Aeroflot flight that landed in Havana on Monday evening.
5. -- Sprint (S) shareholders vote Tuesday on Softbank's $21.6 billion offer for 78% of the wireless carrier. Dish Network (DISH) last week abandoned its $25.5 billion bid for all of Sprint.
6. -- Ousted Men's Wearhouse (MW) Chairman George Zimmer, the founder of the clothing retailer, could be plotting a comeback, according to a report. Reuters reported that Zimmer is mulling his options, and an attempt to stage a comeback at the company is possible. He is talking to his advisers, including legal counsel Cooley LLP, but a decision isn't imminent, the sources told the news agency. Known for his famous tagline on television commercials: "You're going to like the way you look. I guarantee it," Zimmer, 64 years old, founded the company with his college roommates in 1973 and opened the first store in Houston. As of April, Zimmer owned 3.52% of the company's outstanding shares, the largest insider stake held, according to Bloomberg data.
7. -- Homebuilder Lennar (LEN - Get Report) is expected by analysts to report on Tuesday fiscal second-quarter earnings of 33 cents a share on revenue of $1.33 billion.
8. -- Cruise-line operator Carnival (CCL - Get Report) is expected by analysts to report second-quarter profit of 6 cents a share on revenue of $3.55 billion.