US STOCKS-Wall St ends lower after 'fiscal cliff' setback
* Confidence slumps after failure of Boehner's bill
* Herbalife shares skid, down for 8th straight day
* Banking shares slide; Citigroup and BofA shares sink
* Dow off 0.9 pct, S&P 500 down 0.9 pct, Nasdaq off 1 pct
By Gabriel Debenedetti
NEW YORK, Dec 21 (Reuters) - U.S. stocks finished lower on Friday after a Republican plan to avoid the "fiscal cliff" failed to gain sufficient support on Thursday night, draining hopes that a deal would be reached before 2013.
Still, stocks managed to rebound from the day's lows near the end of the session, and for the week, the three major U.S. stock indexes still ended higher, with the S&P 500 gaining 1.2 percent.
Trading was volatile because of waning confidence in the prospect of a deal out of Washington, and in part, as the result of the quarterly expiration of options and futures contracts. The CBOE Volatility Index or VIX, the market's favorite barometer of investor anxiety, finished below its session high.
Republican House Speaker John Boehner failed to garner enough votes from even his own party to pass his "Plan B" tax bill late on Thursday. It was the latest setback in negotiations to avoid $600 billion in tax hikes and spending cuts that some say could tip the U.S. economy into recession. Continued...