U.S. stock-market futures rose slightly Sunday, after Friday’s summit between U.S. and Russian leaders ended without a major breakthrough and as investors await this week’s Fed gathering in Jackson Hole,

Fed minutes are due, and top retailers will report earnings in the coming week. But the main attraction will be Jerome Powell's speech on Friday.

U.S. index futures traded on a lackluster note early Monday after the major averages recorded weekly gains in the past week. The uncertainty surrounding the Russia-Ukraine war, following the Alaska summit between U.