With U.S. stock markets set to open in two hours, Analog Devices Inc. (ADI) was up 3.7% in pre-market trading, and Lowe's Cos. (LOW) was up 3.1%.

Stock futures are down on Aug. 20 as investors await Fed meeting minutes and key earnings from Target and Lowe's. See the latest market moves ...

The tech sector was behind much of the market recovery from the April selloff, but investors have started to take stock of ...