The companies are making news before the bell rings.
The health insurer raised its full-year outlook after its quarterly earnings and revenue beat expectations. The Optum health care services unit helped the company's results.
The bank reported earnings of 74 cents per share, which included an 8 cent equity impairment charge, compared with a consensus estimate of 80 cents. Wall Street expected revenue to be higher than it was. Wells Fargo's profit fell from a year ago as it set aside more money to cover bad loans, and the stock fell 1% before the market opened.
After the Wall Street Journal reported that an activist investor became a major shareholder, the stock of the image-sharing company skyrocketed.
Rio Tinto warned that labor shortages in Australia would hurt its earnings in the second quarter.
The asset management firm earned an adjusted $7.36 per share for the second quarter, missing the consensus estimate of $7.90 and revenue fell short of forecasts. The global market turmoil that discouraged investors resulted in a decline in profit. The investment bank fell in pre market trading.
The maker of electric aviation vehicles saw its stock surge after it announced an order from a European business jet operator.
The solar stocks fell in the premarket after Sen. Joe Manchin said he wouldn't support new climate change funding bills. Sunrun, First Solar, and SolarEdge Technologies were all down.