January 16, 2014 4:34 am Businesses, fans happy to see the Celtics back Owners see business pick up outside of TD Garden US & World Videos 1:32 Amber Alert for 2 NH girls canceled, father in custody 2:53 Latest on Lewiston, Maine shootings 2:01 Local researchers looking to turn plastic into fuel 1:45 Gov. Healey to sign bottle ban order for state agencies 2:41 Leominster students return to school after floods