International Speedway (ISCA +6.3%) is getting a boost from a valuation upgrade at Raymond...

|About: International Speedway Corp... (ISCA)|By:, SA News Editor

International Speedway (ISCA +6.3%) is getting a boost from a valuation upgrade at Raymond James. The firm notes NASCAR viewership for the Sprint Cup race series is up, which should translate into higher ticket sales for the 2011 racing season.