(Adds U.S. market open, byline, dateline; previous LONDON)
* Microsoft hits record high, S&P 500 close to new high
* Oil futures rise as geopolitical risks after Saudi attack remain
By Herbert Lash
NEW YORK, Sept 19 (Reuters) - A gauge of global equity performance rose Thursday within 1% of a record high a day after the Federal Reserve cut interest rates but crude prices jumped on concerns the weekend attack on Saudi Arabia's oil facilities pose supply risks.
Iran warned U.S. President Donald Trump against being dragged into all-out war in the Middle East after the attack on Saudi oil facilities, which Washington and Riyadh blame on Tehran. attack knocked out about half of Saudi crude production and severely limited the country's spare capacity, a cushion for global oil markets if an outage occurs.
"Global available spare capacity is extremely low at present following the weekend attacks, leaving little room for additional outages, which tends to be price supportive," UBS oil analyst Giovanni Staunovo said.
Brent crude futures LCOc1 , the global benchmark, gained 95 cents to $64.55 a barrel, while U.S. West Texas Intermediate crude CLc1 rose 31 cents at $58.42 a barrel.
European banking shares .SX7P rose 1.8% and the Swiss franc CHF= was poised for its biggest gain in a month after the Swiss National Bank declined to match the European Central Bank and the Fed in easing monetary policy.
The pan-regional FTSEurofirst 300 .FTEU3 of leading European shares closed up 0.64%, while MSCI's gauge of stocks across the globe .MIWD00000PUS gained 0.35%.
Gains in Microsoft Corp MSFT.O shares pushed the S&P 500 .SPX , the U.S. equity benchmark, within 10 points of its record high while a rally in bank stocks lifted European shares after the Fed set a higher bar for further rate reductions on Wednesday.
Microsoft, the biggest U.S. stock by market cap, valued at $1.08 trillion, hit $142.37 and was trading about 2% higher on the day. The S&P 500 traded just below its record of 3027.98 set in July.
The Dow Jones Industrial Average .DJI rose 107.61 points, or 0.4%, to 27,254.69. The S&P 500 .SPX gained 13.75 points, or 0.46%, to 3,020.48 and the Nasdaq Composite .IXIC added 53.26 points, or 0.65%, to 8,230.65.
The U.S. dollar fell against the euro, the Swiss franc and the Japanese yen after the Fed cut rates by 25 basis points on Wednesday to provide insurance against the risk of weaker global growth and resurgent U.S-China trade tensions.
The dollar index .DXY fell 0.19% and the euro EUR= rose 0.15% to $1.1045. The Japanese yen strengthened 0.42% versus the greenback at 108.02 per dollar.
U.S. Treasury yields fell after division appeared among policymakers on whether the Fed would cut rates further and as pressures in the short-term funding markets eased.
Benchmark 10-year notes US10YT=RR slipped 1/32 in price to lift their yield to 1.7857%.