['DATE | December_2012', 'DATE | Easter_Sunday', 'DATE | Wednesday', 'DATE | the_second_day', 'LOC | COLOMBO', 'LOC | Sri_Lanka', 'ORDINAL | 350']
COLOMBO: Sri Lanka's main stock index traded at its lowest since December 2012 on Wednesday, as investors sold the island nation's risky assets for the second day following deadly Easter Sunday attacks that killed more than 350 people.