The rate that banks charge each other to borrow euros for three months, the euro area inter-bank offered rate, has climbed by half a percentage point since the beginning of August to a six-year high of 4. The overall impact in 2007 will probably be ”modest,'' Casey said, adding that the current guidance for the company's earnings remains unchanged. Irish Life raised its forecast for operating profit growth this year to ”north of 20 percent,'' Chief Financial Officer Peter Fitzpatrick said on Aug. Shares of Irish Life fell 57 cents, or 3. That gave the company a market value of 4. read more