CNBC.com’s MacKenzie Sigalos brings you the day’s top business news headlines. On today’s show, CNBC’s Eamon Javers has new data from the CNBC/Change Research poll, which measured the horse race in key swing states after President Trump tested positive for Covid-19. Plus, CNBC.com’s Lauren Thomas breaks down a key Wall Street report on which companies are getting the biggest share of teen spending….