City National Bank, Beverly Hills, announced that...

City National Bank, Beverly Hills, announced that Security Pacific National Bank has signed a definitive agreement to purchase the two City National Bank regional offices in Palm Springs and Palm Desert. Terms of the agreement were not disclosed . . . Chevron Corp. has adopted a “stockholder rights” plan . . . Shamrock Acquisition III Inc., a unit of Emerald Isle Associates LP, is extending its $42-per-share cash tender offer for all outstanding shares of Polaroid Corp. common stock until Dec. 8.