The 20 Biggest Tech Companies By Market Cap By: TalkMarkets June 17, 2024 at 16:30 PM EDT The world’s 20 biggest tech companies are worth over $20 trillion in total. To put this in perspective, this is nearly 18% of the stock market value globally. Read More >> Related Stocks: Amazon.com Apple Microsoft NVIDIA Corp Qualcomm, Inc. Salesforce Tesla, Inc.