Fifth Dow record; S&P nears peak (2:13)

March 11 - Summary of business headlines: The Dow closes at a record for the fifth consecutive day and the S&P 500 is just points away from setting a new peak; BlackBerry readies U.S. lauch of z10; Dick's Sporting falls after weather miscue; Icahn looks at Dell's books. Conway G. Gittens reports.