PHILADELPHIA--(BUSINESS WIRE)--Comcast Business, the largest provider of connectivity to small businesses in America, today announced a powerful new suite of advanced solutions and upgrades designed to help keep small businesses connected, protected, and prepared ahead of the holiday rush – and beyond. Comcast Business is now offering: Faster speeds, up to 300/300 Mbps through its expanded Dedicated Internet service – now available to more than 3.5 million businesses nationwide. This represents. ...