Abbott
ABT,
+0.47%
said Friday its board has raised its quarterly dividend by 25% to 45 cents a share. The health care company has raised its dividend for 49 straight years, making it a member of the S&P 500 Dividend Aristocrats Index, which includes companies that have raised their dividends for at least 25 consecutive years. Shares were slightly lower Friday, but are up 22% in the year to date, while the S&P 500
SPX,
-0.13%
has gained 13%.