Haines grew up in Oyster Bay, New York, and resided in Monmouth County, New Jersey.
Haines also presented a financial segment prior to the market open each day on MSNBC's Morning Joe.
With the loss of both prior hosts, Simon Hobbs & Melissa Lee filled in as co-anchors.
On May 25, 2011, Haines' wife Cindy reported that he had died the previous evening at his home in Marlboro Township, New Jersey.
There was silence on the NYSE trading floor and CNBC presented a retrospective on his life and career.