Nikkei falls on weak U.S. data; Yakult tumbles on Danone stake sale report

* Yakult dives 10 pct to 4-week low on Danone stake sale report * Nikkei's support seen at 16,500 even hit by correction - trader * Investors stay on the sidelines before U.S. Thanksgiving By Ayai Tomisawa TOKYO, Nov 27 (Reuters) - Japanese stocks edged down on Thursday morning, as exporters were hit by the yen's rise against the dollar thanks to weak U.S. data, while many investors stayed on the sidelines before a U.S. holiday. Yakult Honsha Co was one of the big losers of