The Standard & Poor 's 500 index declined 6.11 , or 0.6 per cent , to 1003.27 , having shed 19.67 in the previous session .

The Standard & Poor 's 500 index declined by 4.39 , or 0.4 percent , to 998.88 , after losing 6.11 on Thursday .

Select from the options at the end. Do the above sentences mean the same thing?
OPTIONS:
A). no;
B). yes;
B).