Here are two sentences:

The technology-laced Nasdaq Composite Index .IXIC was down 27.13 points , or 1.64 percent , at 1,626.49 , based on the latest data .

The technology-laced Nasdaq Composite Index < .IXIC > declined 25.78 points , or 1.56 percent , to 1,627.84 .

yes

Here are two sentences:

The Standard & Poor 's 500 index rose 11.67 , or 1.2 percent , to 975.26 , having risen 3.3 percent last week .

The broader Standard & Poor 's 500 Index < .SPX > was up 9.05 points , or 0.94 percent , at 972.64 .

no

Here are two sentences:

Passed in 1999 but never put into effect , the law would have made it illegal for bar and restaurant patrons to light up .

Passed in 1999 but never put into effect , the smoking law would have prevented bar and restaurant patrons from lighting up , but exempted private clubs from the regulation .
no