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TOKYO, July 8 (Reuters) - Japan's Nikkei share average fell below the psychologically important 20,000 mark on Wednesday to a seven-week low on concerns about a meltdown in Chinese shares and Greece's debt crisis.
The Nikkei fell to as low as 19,914.99, its lowest level since May 18. (Reporting by Hideyuki Sano; Editing by Gopakumar Warrier)