Former top Fast 50 finisher nChannel Inc. has raised at least $1.95 million since the beginning of last year, regulatory filings show. The Columbus subscription software company has filed three separate Form D reports on sales of equity since June 2015, when it reported raising $1.4 million toward a potential $2 million round. It reported raising $352,000 in December and $207,000 this September. NChannel's cloud-based software helps retailers integrate connections among their suppliers, in-store...