Nikkei hits 3-month low on China fears, then sheds most of the loss
* Worries about Chinese market hit China-related stocks * Nikkei tumbles 3.2 pct before regaining some ground By Hideyuki Sa** TOKYO, July 9 (Reuters) - Japanese share prices dived to three-month lows on Thursday on fears about the state of the Chinese eco**my, but then much of the loss was erased as mainland stock markets changed course and rose. The Nikkei average fell as much as 3.2 percent to a three-month low of 19,115.20, while the broader Topix index fell as much as 3.6 p