US STOCKS-Wall St down 1 pct, Dow and S&P slip into red for the year
* Fed's highlights global growth concerns, spooks markets
* Bernstein downgrade hits Disney, leads rout in tech stocks
* Apple falls on report of declining phone sales in China
* S&P tech, finance index turn negative for the year
* Indexes down: Dow 1.54 pct, S&P 1.55 pct, Nasdaq 2.27 pct (Updates to early afternoon)
By Tanya Agrawal
Aug 20 (Reuters) - Wall Street plunged in afternoon trading on Thursday, pushing the Dow and the S&P into the red for the year, after the Federal Reserve highlighted global growth concerns and sparking a sell-off in almost all sectors.
The Dow Jones industrial average fell to a more than six-month low and was on track to spend its 14th full session in a row below its 200-day moving average, a key technical level.
The Nasdaq composite and the S&P 500 fell to their lowest in more than a month. Nine of the 10 major S&P sectors were lower, with six of the 10 down more than 1 percent. Continuación...