"I think that Boston is a tough city and it will be rejuvenated and ready to go," said David Sapers, owner of Sugar Heaven on Boylston Street.
Those wounded in the explosions, meanwhile, continued to recover as well.
Of the more than 260 people who were hurt, 33 remain hospitalized Wednesday night, according to a CNN tally. One person is in critical condition at Boston Medical Center.
In Cambridge, mourners gathered at the Massachusetts Institute of Technology campus to honor Campus Officer Sean Collier, the fourth person killed last week. Authorities believe the Tsarnaev brothers shot Collier as he sat in his patrol car Thursday night.