Japanese stocks fell as renewed concerns over the Iran conflict and higher energy costs weighed on sentiment, with chipmakers leading declines. The Nikkei Stock Average was down 1.0% at 65,646.57 at 0012 GMT. Tokyo Electron Ltd. fell 4.1%, with a quoted decline of 4.91%, while Renesas Electronics dropped 3.0% and Lasertec lost 3.1%. The dollar traded at 159.74 yen, compared with 159.86 yen at Monday’s Tokyo stock market close. Investors were watching developments in the Middle East and crude oil prices.