US STOCKS-Wall St resumes selloff; S&P 500 lowest since September
* S&P 500 ends below 1,900 for first time since Sept. 29
* consumer discretionary, healthcare, technology are losers
* Amazon among biggest drags on S&P 500, Nasdaq
* Indexes down: Dow 2.2 pct, S&P 2.5 pct, Nasdaq 3.4 pct (Updates with fresh analyst comment, detail on earnings season)
By Caroline Valetkevitch
Jan 13 (Reuters) - U.S. stocks sank on Wednesday, pushing the S&P 500 to close below 1,900 for the first time since September as investors grew anxious about weak energy prices, U.S. corporate earnings and the global economy.
All 10 S&P 500 sectors ended in the red, led by consumer discretionary shares, the healthcare sector and technology. Selling was broad, with decliners outpacing advancing issues on the NYSE more than 7 to 1 and on the Nasdaq by more than 6 to 1.
All three major indexes are in correction territory. The S&P 500 is now down 11.3 percent below its May 21, 2015, closing lifetime high.
At the same time, the Russell 2000 small-cap index dropped 3.3 percent, putting it in bear market territory. The index is down 22 percent from its June 2015 record close. Continuación...