Top gainers and losers in the S&P500 index during Wednesday's after-hours session.

As the regular session of the US market on Wednesday comes to an end, let's delve into the after-hours session and discover the top S&P500 gainers and losers shaping the post-market sentiment.

After hours losers

Ticker	Change	Comment
GM	-5.75%	Following a %ABSPERF% loss in the regular session, GENERAL MOTORS CO (NYSE:GM) exhibits further decline during today's after-hours session.
F	-3.11%	FORD MOTOR CO's (NYSE:F) shares fell 3.11% to $9.98 during Wednesday's after hours session. The stock is trading 22.44% lower than a year ago.
ON	-3.02%	ON SEMICONDUCTOR's (NASDAQ:ON) shares declined by 3.02% to $43.68 during Wednesday's after-hours session. In the last 3 months the stock lost 31.77%.
CTSH	-2.52%	Price volatility persists as COGNIZANT TECH SOLUTIONS-A (NASDAQ:CTSH) closed the regular session with a %ABSPERF% loss, and the downward trend continues in the after-hours session.

For the full after hours loser list go to our after hours losers page.