The Standard & Poor 's 500 Index gained 10.89 , or 1.2 percent , to 931.12 as of 12 : 01 p.m. in New York .
The broad Standard & Poor 's 500 Index .SPX was up 8.79 points , or 0.96 percent , at 929.06 .
an application where part or all of the software is downloaded from the web each time it is running.