'Shark Tank' goes after feds: Fishermen, from the Panhandle to Naples, are rallying against a rule that reduces the daily red grouper bag limit from two to one and calls for a complete ban of recreational fishing of all grouper in the Gulf of Mexico in November and December.Condoflip.com coming: It's no secret that "flippers" are driving much of the boom in condominium development.Are we still cheap?: Housing costs, including condos, have gone up along the Gulf Coast. But we're still comparatively cheap, up against the swells down in South Florida.Investment opportunity: Condo investors might want to call Jeff Keierleber, a real estate developer in Waukesha, Wis.RBC Centura moving: RBC Centura Banks Inc. is moving its North Carolina headquarters from suburban Raleigh to the state capital, another sign the Royal Bank of Canada's American banking subsidiary probably isn't for sale.