FOREX-Yen up on PM Abe's concern; record-breaking dollar run stalls

* Yen rises after Abe comments on weak yen impact LONDON, Sept 24 (Reuters) - The yen rose on Wednesday after Japanese Prime Minister Shinzo Abe voiced concern about the economic impact of its fall to a six-year low, adding to the sense of a halt this week in the dollar's record-breaking run since July.