Volume on the NYSE was tracking slightly higher than Thursday's levels.
The S&P's 500 index gained 4.60 points, or 0.2%, to 2,555.24. With the S&P 500 up 14 percent in 2017, investors are betting on strong earnings growth across the S&P 500.
The Dow Jones Industrial Average is one of several indices created by Wall Street Journal editor and Dow Jones & Company co-founder Charles Dow. The stock traded 0.2 percent higher as of 9:12 a.m.in NY.
US indexes were lower as investors watched third-quarter bank earnings.
Qualcomm Lawsuits Seek Crippling Apple iPhone Production And Sales Ban In China
Although Apple doesn't use Snapdragon processors in its iPhones, it's still on the hook for numerous patents Qualcomm owns. In July, it filed a similar claim in the USA , pointing to six patents that it said Apple was in violation of.
Also limiting the day's gains, the healthcare sector.SPXHC was down 0.3 percent as health insurers and hospital operators tumbled on news that President Donald Trump scrapped billions of dollars in Obamacare subsidies to private insurers for low-income Americans.
The Producer Price Index increased 0.4% for the month and 2.6% for the year. At 12:39 p.m. ET (1639 GMT), the Dow Jones Industrial Average was up 21.42 points, or 0.09 percent, at 22,852.1, the S&P 500 was up 2.12 points, or 0.08 percent, at 2,552.76 and the Nasdaq Composite was up 7.35 points, or 0.11 percent, at 6,594.60. The Russell 2000 index of smaller-company stocks edged down 1.08 points, or 0.1%, to 1,506.92.
The Nasdaq is up 1.33 points, or less than 0.1%, although t he Russell 2000 is down 5.05 points, or 0.3%.
The Dow is up 3,078.41 points, or 15.6 percent. The Dow Jones Small-Cap Value TSM Index closed at 10,069.27 for a loss of 4.22 points or 0.04%.