Netflix and Twitter are on a list of tech stocks that have gotten cheaper in the past year By: MarketWatch January 09, 2020 at 11:24 AM EST The price-to-earnings valuation for the S&P 500 technology sector has never been higher over the past 15 years. Read More >> Related Stocks: Alliance Data Systems Amazon.com Arista Networks Inc Autodesk Expedia F5 Networks HP Inc Hewlett Packard Enterprise Comp Juniper Networks Netflix Oracle Corp Twitter, Inc.