Here are Tuesday’s worst stocks as the S&P 500 posts the biggest decline in three weeks By: MarketWatch April 21, 2020 at 17:09 PM EDT The technology sector led stocks lower as chip stocks crumbled. Read More >> Related Stocks: 3M Co Adv Micro Devices American Express Apple Boeing Co CDW Corp Caterpillar Chevron Corp Cisco Systems Coca-Cola Company Costar Group Inc Dow Inc Exxon Mobil Fiserv Fortinet Inc Freeport-McMoRan Goldman Sachs Group Home Depot Howmet Aerospace Inc Intel Corp International Business Machines Intuit JPMorgan Chase & Co Johnson & Johnson Lam Research McDonald's Corp Merck & Co Microsoft Motorola Solutions NDX NVIDIA Corp Nasdaq Composite Nielsen Holdings Plc Nike Inc Nxp Semiconductors Pentair plc Pfizer Procter & Gamble Salesforce Tesla, Inc. TravelersCompanies UnitedHealth Group Varian Medical Systems Verizon Communications Visa Wal-Mart Stores, Inc. Walgreens Boots Alliance Walt Disney Workday Inc