LONDON, Aug 9 (Reuters) - Gasoline refining margins innorthwest Europe fell for a second consecutive session to below$9 a barrel on Tuesday as overseas demand failed to ease apersistently high supply overhang on both sides of the Atlantic.
* While gasoline tanker bookings to West Africa and theUnited States have picked up in recent days, a big overhang inthe Atlantic basin is dampening prospects for a marketrebalance, traders said.
* Gasoline stocks held by European refiners in July were14.7 percent higher than a year earlier, data from industrymonitor Euroilstock showed on Tuesday, as plants sought tomaximise production.
* Nigerian state oil company managing director MaikantiBaru said he has "not been directed to increase pump price" forgasoline.
* Baru said the request for foreign currencies from gasolineimporters has been met, and the government supply is "robust"with more than 1.4 billion litres.
* Some importers had struggled to get the access to U.S.dollars needed to buy fuel, even after the central bank floatedthe naira currency in June.
* U.S. and Mexican refinery outages have been givinggasoline cracks a floor.
* Mexico has increased its gasoline buying in August to some600,000 tonnes due to refinery outages.
GASOLINE
* Gunvor sold to BP one barge of benchmark ebob gasoline inthe afternoon window at $440 a tonne fob ARA, down from $444 atonne on Monday.
* Some 20,000 tonnes traded throughout the day at $437-$441a tonne fob Amsterdam-Rotterdam, compared with $442.50 a tonneon Monday. Gunvor sold to Shell, Varo, and BP.
* Eleven barges of premium unleaded gasoline traded at $452a tonne fob ARA, down slightly from $453 a tonne. Rolympus andLitasco sold to Total.
* Gasoline barge refining margins fell to $8.87 a barrel,from $9.63.
* The September swap stood at around $444.50 a tonne at theclose, down from $446 a tonne.
* Brent crude oil futures were little changed at$45.42 a barrel by 1540 GMT.
* U.S. August RBOB gasoline futures were down 0.58 percent at 1.3541 a gallon.
* The U.S. gasoline crack
NAPHTHA
* No naphtha cargoes traded. (Reporting by Ahmad Ghaddar)