Has probado asi?
Código sql:
Ver originalSELECT b.nom_cta,
SUM(ca.imp_mov_mn*a.signo) Valor
FROM cpf_contaux a, ct_cuentas b
WHERE a.fec_doc <=getdate()
AND (a.cod_cta LIKE ('1305%') OR a.cod_cta IN ('14601001','14550501'))
AND a.cod_cta=b.cod_cta
GROUP BY b.nom_cta