(Corrects "fades" to "ends" in headline and first paragraph)
* FTSEurofirst 300 down 0.3 percent
* Banks fall, no respite from credit fears
* Crude oil at $138; US CPI in focus
By Amanda Cooper
LONDON, July 16 (Reuters) - European shares slipped on Wednesday after an early rally in banks ended and analysts warned persistent concern over the economy and the corporate sector would likely keep the broader market under pressure.
Banks initially gained but quickly surrendered ground. UBS <UBSN.VX>, BNP Paribas <BNPP.PA> and Societe Generale <SOGN.PA> were down between 1 and 2 percent.
Royal Bank of Scotland <RBS.L> fell by 7.2 percent, while Banco Santander <SAN.MC> lost 1.7 percent and Barclays <BARC.L> shed 4.1 percent.
Natixis <CNAT.PA> tumbled 13 percent on a report in French newspaper Les Echos which said the French bank was mulling a capital increase and could unveil asset writedowns of more than 1 billion euros when it posts its second-quarter results. Natixis declined to comment.
The FTSEurofirst 300 index <
> of top European shares was down 0.3 percent at 1,106.42 points by 0828 GMT, having risen earlier by as much as 0.8 percent.The index closed down 2.1 percent the day before, having recovered some losses after falling by as much as 3 percent at one point.
"Technical bounces might occur but we have seen over the last couple of weeks there have been a lot of invitations to do that, the market did not really take a cue from that and so I would not be too optimistic that this will be a really big relief rally," said Gerhard Schwarz, head of global equity strategy at UniCredit.
"The outlook for the financial space remains bleak. The situation is certainly still very much stretched and we have seen that there is no quick fix for that."
The DJ Stoxx index of European banking shares was last down 0.4 percent, having fallen by more than 3 percent on Tuesday as concern mounted that the U.S. rescue plan for mortgage finance companies Freddie Mac <FRE.N> and Fannie Mae <FNM.N> would not solve the problems of the wider financial system.
Shares in Freddie Mac and Fannie Mae have fallen by more than 60 percent this month alone.
MORE US SUPPORT
On Tuesday, U.S. securities regulators issued an emergency rule to limit certain types of short-selling in major financial firms including Freddie Mac and Fannie Mae. In Frankfurt, Freddie Mac <FRE.F> was up 2.6 percent and Fannie Mae <FNM.F> was down 6.3 percent.
The FTSEurofirst 300 has been entrenched in a bear market since the start of this year and is now more than 30 percent below last July's 6-1/2 year highs.
U.S. consumer inflation data at 1230 GMT for June should highlight how much room the Federal Reserve has to tweak monetary policy. Fed Chairman Ben Bernanke also testifies for a second day on monetary policy, this time before the House Financial Services Committee.
Interbank money market strains show no signs of easing, as concern about the global financial system, particularly in the United States, intensify.
"In a panicky environment such as prevailed yesterday, it is easy to get carried away with dire prognostications and suggest that `the end of the world' is nigh," Nomura analysts said in a note.
"In reality though we are simply experiencing a re-run of prior credit episodes and while it may have further to run, it is highly debatable whether this actually presents a systemic risk," they said.
Technology stocks in Europe fell after Dutch chip equipment maker ASML <ASML.AS> said orders recovered from a first-quarter slump but warned full-year sales could fall more than previously expected, stripping more than 12 percent off its shares.
Shares in Nokia <NOK1V.HE> were down 1.2 percent, while ST Microelectronics <STM.PA> were down 0.1 percent.
Intel Corp <INTC.O> on Tuesday beat Wall Street expectations with its second-quarter earnings and gave a revenue forecast that topped expectations, pushing its shares up by 2.4 percent in U.S. after-hours trade. In Frankfurt, Intel shares were trading up 1.3 percent.
French high-speed train and industrial power plant group Alstom <ALSO.PA> rose 5 percent after quarterly sales met analysts' forecasts and it confirmed its operating margin target.
Lower crude oil prices <CLc1>, at around $138 a barrel, have given some support to global equities, helping to soothe some of the deep concern about burgeoning stagflation.
Energy shares were mixed, with StatoilHydro <STL.OL> rising 1.6 percent, while BP <BP.L>, Total <TOTF.PA> and Royal Dutch Shell <RDSa.AS> were trading between flat and down 0.4 percent.
(Editing by Erica Billingham)