A fund inspired by James J. Hill is seeking between $10 million and $20 million to invest in small- and mid-sized businesses. St. Paul-based Hill Capital Corp. plans to back companies headquartered in Minnesota, western Wisconsin and eastern North Dakota, according to a document filed with the Securities and Exchange Commission Friday. Hill Capital CEO and President Patrick Donohue declined to comment on fundraising activities citing securities regulations. However, the company already has a website...