Briefcase: Business snippets from around SA

In this week’s briefcase, SeaLink joins the ASX200, Mayfield Group’s shares jump 15 per cent after acquiring a Sydney telecommunications systems provider and Rundle Mall is recognised at the National Retail Awards.

ASX-listing helps Mayfield bring manufacturing home to Adelaide

An 84-year-old Adelaide company has listed on the Australian stock exchange as part of a bid to boost its local manufacturing and grow its business.