FACTBOX - Top 10 best and worst S&P 500 performers

NEW YORK (Reuters) - The S&P 500 index lost 38.5 percent in 2008 and had its third-worst annual percentage loss ever.

Below are tables for the top 10 best and worst performers for the year in the S&P 500 index, in terms of percentage gains and losses.

WINNERS

Company Pct change

Family Dollar Stores Inc 35.6

UST Inc 26.6

Amgen 24.4

H&R Block Inc 22.4

Celgene Corp 19.6

Wal-Mart Stores Inc 18.0

Rohm & Hass Co 16.4

Autozone Inc 16.3

Hasbro Inc 14.0

Gilead Sciences Inc 11.2

LOSERS

Company Pct change

American International Group -97.3

XL Capital Ltd -92.7

American Capital -90.2

National City -89.0

Genworth Financial -88.9

Developers Diversified Realty -87.3

General Motors -87.1

Sprint Nextel -86.1

Wachovia Corp -85.4

MEMC Electronic Materials Inc -83.9

Source: Reuters Station