Nikkei rises to 3-week high on Fed view; Nintendo soars

* Nikkei above key technical levels * Nintendo soars on unexpected operating profit for FY * Yahoo Japan dives on forecast cut for Apr-Dec period * 245 companies' earnings on Thurs, BOJ policy meeting focused Fri By Ayai Tomisawa TOKYO, Oct 30 (Reuters) - Japan's Nikkei share average rose to a fresh three-week high on Thursday morning as optimism about the U.S. economy buoyed sentiment, while Nintendo Co soared on better-than-expected earnings. The U.S. Federal Reserve