(Updates index at midsession; stock moves) BANGKOK, May 12 (Reuters) - Thailand's benchmark stock index was down 0.3 percent at 1,097.15 at the midsession break on Thursday in turnover of 17.48 billion baht ($580 million), with big-cap energy and banking stocks falling back after recent gains. Stocks on the move: BANGKOK AVIATION FUEL SERVICES HITS ALL-TIME HIGH Shares in the jet fuel firm gained as much as 7 percent to a record high of 12.2 baht after it told the exchange its first-quarter net profit rose by half in line with the recovery in tourism and airline industries. [ID:nSET3rvJ2H] The company's earnings outlook for the second and third quarters is weaker due to seasonal low demand in the local airline sector, analysts said. At 0538 GMT, the stock was up 4.4 percent at 11.9 baht. ESSO (THAILAND) AT RECORD HIGH The unit of Exxon Mobil shot up 15.3 percent to a record high of 13.6 baht, after it told the exchange its first quarter net profit was almost 13 times higher than a year before. [ID:nSET8tRJVV] Broker Kasikorn Securities said it had raised its rating on the stock to 'buy'. "We revise up our forecast on ESSO to reflect the better-than-expected paraxylene price and raise our fair price from 11 baht to 14.4 baht. As the current share price provides 22 percent upside to our new fair price, we thus upgrade our recommendation from outperform to buy." At 0538 GMT, Esso shares were up 13.56 percent at 13.4 baht. - For the Thai press digest click on: - For Thailand's stock exchange news click on: - For Thailand corporate earnings: - For Thailand economic forecast: ASIA-PACIFIC STOCK MARKETS: Pan-Asia...... Japan....... S.Korea... S.E. Asia..... Hong Kong... Taiwan.... Australia/NZ.. India....... China..... * OTHER MARKETS: Wall Street .. Gold ....... Currency.. Eurostocks... Oil ........ JP bonds... ADR Report ... LME metals. US bonds.. Stocks News US Stocks News Europe * DIARIES & DATA: IPO diary & data Asia earnings diary U.S. earnings diary European diary Thailand diary Wall Street Week Ahead Eurostocks Week Ahead * TOP NEWS: For top Asian company news, double click on: U.S. company news European company news Forex news Global Economy news Technology news Telecoms news Media news Banking news Politics/General news Asia Macro data A multimedia version of Reuters Top News is available at: topnews.session.rservices.com * LIVE PRICES & DATA: World Stocks <0#.INDEX> Currency rates Dow Jones/NASDAQ Nikkei FTSE 100 Debt <0#USBMK=> Thai baht LME price overview ($1 = 30.115 baht) (Reporting by Viparat Jantraprap; Editing by Alan Raybould)

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