Tuesday's Market Roadmap

Tuesday, 9 Jul 2013 | 9:01 AM ET

The "Squawk on the Street" news team reports on today's top business headlines, including IBM's downgrade, Alcoa's earnings beat, and a CEO shuffle at Barnes & Noble. Also Phil LeBeau talks about what may have led to the crash of Asiana Flight 214, with NTSB Chairman Deborah Hersman.