BY THE NUMBERS

U.S. stock futures were pointing to a higher open on Wall Street after the Dow and S&P 500 logged their second straight declines and the Nasdaq broke a five-session winning streak. The Dow was slightly negative heading into Friday trading while the S&P 500 and Nasdaq were positive. (CNBC)

* No breakthrough in US-China trade talks as new tariffs kick in (Reuters)
Farmers cautiously optimistic about progress in NAFTA talks (CNBC)

Fed Chairman Jerome Powell, under criticism from President Donald Trump, speaks in Jackson Hole at 10 a.m. ET. Central bankers are expected to hike interest rates next month and maybe again in December. The Fed already increased rates in March and June. (CNBC)

* Fed's James Bullard says he would 'stand pat' on rates for rest of the year (CNBC)