Nikkei falls 1.4 pct as index heavyweights drag on Fed concern

* Futures, index heavyweights lead declines * Market may be supported above 15,000 near term - analysts * Nitto Denko nosedives after cutting forecast * Exporters lose ground as yen bounces By Ayai Tomisawa TOKYO, Dec 12 (Reuters) - Japan's Nikkei share average dropped 1.4 percent to a one-week low on Thursday morning, led by selling in futures and big-cap stocks as the mood was soured by renewed anxiety of an early reduction in U.S. stimulus. The Nikkei shed 223.11