US STOCKS-Wall St ends down after choppy session; Fed holds rates
* Fed leaves rates unchanged amid global concerns
* Market reacts to Fed news with highly volatile trading
* Stocks hit highs, then two major indexes end down
* Dow falls 0.4 pct; S&P 500 off 0.3 pct; Nasdaq up 0.1 pct (Adds commentary, updates to closing prices, volume)
By Sinead Carew
Sept 17 (Reuters) - Major Wall Street indexes gave up a 1-percent rally to end lower on Thursday after the Federal Reserve cited concerns about global economic growth in its decision to hold off on raising interest rates.
The U.S. central bank held rates steady in a bow to worries about the global economy, financial market volatility and sluggish inflation at home, but it left open the possibility of a modest policy tightening later this year.
The S&P financial index led the decline after being among the top performers throughout the prior five sessions.
The decline in financial stocks, which benefit from higher rates, alongside the rise in utility stocks suggest that investors now believe interest rates will remain low for longer than previously expected. Continuación...