US STOCKS-Wall St has best 2-day gain since 2011 on Fed optimism
* U.S. crude settles down but energy shares climb
* Initial claims point to strengthening labor market
* Oracle up after results
* Indexes up: Dow 2.4 pct, S&P 2.4 pct, Nasdaq 2.2 pct (Updates to close)
By Caroline Valetkevitch
NEW YORK, Dec 18 (Reuters) - The S&P 500 closed out its biggest two-day advance since November 2011 on Thursday, extending a Federal Reserve-fueled rally from the previous session, while tech shares jumped after Oracle results.
The Dow industrials recorded the best one-day percentage gain since December 2011. The S&P 500 posted its biggest daily percentage gain since January 2013 and is up 4.5 percent in the last two sessions.
Equities' rally followed the Fed's upbeat assessment of the U.S. economy on Wednesday and a commitment to take a "patient" approach toward raising interest rates.
A 3-percent jump in the technology sector also helped Thursday's advance. Oracle Corp jumped 10.2 percent to $45.35, a day after quarterly results topped Wall Street expectations. Shares of Apple climbed 3 percent to $112.65. Continuación...