Nikkei rises 0.4 pct on currency intervention threat but gloom lingers

* Fast Retailing, Softbank lend support on brokerage reports
* Yen's gains hurt exporters; Sharp, Sony at 3-decade low
* Printer makers also hit after Lexmark earnings
* Steelmakers sag on poor outlook, downgrades

By Sophie Knight
TOKYO, July 17 (Reuters) - Japan's Nikkei share average rose
on Tuesday after the finance ministry, reacting to the yen
hitting a one-month high against the dollar, warned that it
would intervene if necessary to curb excessive movements in the
curr

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