Stock futures inches up on earnings report

US stock futures edged up on reported earnings, which investors interpreted as positive signs about the economy.

Futures linked to the S&P 500 added 0.2%, suggesting the broad-market index could hold on to the previous day’s gains, when it closed up 2.8%. Nasdaq-100 futures climbed 0.3% on Wednesday, pointing to muted gains for technology stocks after the opening bell.