'Do' and 'does' are each forms of your existing indefinite tense of the verb 'to perform.' Which a single you'll use will generally count on the sentence's topic. Their utilization is sort of equivalent, apart from a person occasion where You should utilize 'do' and never 'does.' Infographic explaining https://financefeeds.com/finra-fines-velox-clearing-1-3-million-over-aml-supervision-and-communication-failures/