Oracle reported quarterly earnings of 69 cents per share on $9.60 billion in revenue, topping expectations.
FedEx on Wednesday reported higher second-quarter earnings, but the numbers fell short of analysts' expectations.
General Mills reported a 37 percent fall in profit, hurt by weak demand in the United States and slowing growth in Europe and Canada.
Joy Global, which gets more than 60 percent of its revenue from coal miners, reported a 4 percent fall in revenue as customers cut production.
Get the best of CNBC in your inbox