UK regulator examines app payment practices at two U.S. firms

U.S. equity futures pointed to a modestly higher open, with the S&P 500 futures index up 0.1 percent, the Nasdaq-100 futures index up 0.2 percent and the Russell 2000 futures index up 0.1 percent. A U.K. regulator is examining app payment practices at two major technology companies, according to market reports.

Pre-market stock moves One technology services company fell 24 percent after reporting earnings and revenue that missed consensus estimates and issuing weaker-than-expected guidance for the next quarter and full year. A data-center operator declined 5 percent after agreeing to purchase a private-equity firm's stake in three fully leased Northern Virginia facilities for $3.5 billion.

An aerospace and defense contractor rose 28 percent after reporting quarterly results that exceeded Wall Street expectations. A biotechnology company gained 8 percent after two pharmaceutical firms released positive Phase 3 trial results for a lymphoma treatment; shares of one of the partners slipped 0.7 percent.

A recreational-vehicle components supplier advanced 7 percent. A U.S. House committee has opened an investigation into drug trials conducted by two pharmaceutical companies in China.