ZURICH (AFX) - The Swiss National Bank (SNB) said it is "extremely worried" about the Swiss franc's recent rise against the euro, after the euro today slumped to an alltime low of 1.45 sfr. As a result, the SNB has decided to lower its interest rates on repurchase agreements by 20 basis points an SNB spokesman told AFX News. At 10.45 am, the euro was at 1.4522 sfr, while the dollar dropped to 1.5739 sfr.