A trillion dollars from the value of American technology companies smoked The American stock market faced a huge selloff on Friday, and the value of the Nasdaq 100 index companies fell by more than a trillion dollars during trading. Amazon shares fell 5.51%, Nvidia 2.95%, Tesla 2.92%, Microsoft 1.40%, Alphabet 1.60% and Down 1.22%. Among the technology companies, Intel's stock recorded the biggest drop with a 26.88% drop; Dell fell by 10.75%, AMD by 9.97%, Micron by 5.59% and Oracle by 4.73%. Concerns about the heavy costs of artificial intelligence development and uncertainty about the return on investment of technology companies were cited as the main causes of the sales pressure. According to a report attributed to Reuters, the decline in the value of Nasdaq 100 companies in October is close to $2 trillion.