UPDATE 3-Isaac fails to stir US natgas futures, bearish charts weigh

* Bearish technicals drive front-month to near 10-wk low
* Isaac upgraded into a hurricane, heads toward Louisiana
* Warm Northeast, Midwest weather should stir some demand
* Coming Up: Reuters natural gas inventory poll Wednesday

(Adds analyst quote, technicals, updates shut-in figures,
prices)
By Joe Silha
NEW YORK, Aug 28 (Reuters) - U.S. natural gas futures ended
lower for a fourth straight day on Tuesday, with fading summer
demand, record high supplies and bearish tech

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