Scouring for tips: Fresh from its high-profile battle to boost the value of the struggling newspaper stocks in its portfolio, Naples-based Private Capital Management has added new companies to its investment holdings this year.Another I-75 hotel: Update: Michael Lepore's MPL Properties expects to be moving forward on the Radisson Hotels & Resorts planned for the Fruitville Road/Interstate 75 intersection in Sarasota (see the Review, Nov. 11, 2005).Five bankers resign: Joseph Catti resigned recently as president of Northern Trust in Fort Myers, taking four other bankers with him.Collier shares wealth: The Collier family is well known in Southwest Florida. Nearly 100 years ago, Barron Gift Collier, who made millions with streetcar advertising, bought 1.3 million acres in what later became known as Collier and Hendry counties.Miva insiders buy stock: It's always a good sign when management eats its own cooking.TAXATION: How Florida ranks