Friday’s performance was part of a larger shift. For the week, the Dow, S&P 500 and Nasdaq fell 2%, 2.9%, and 3.5%, respectively. But because group chats and the channel features are not end-to-end encrypted, Galperin said user privacy is potentially under threat. "Like the bombing of the maternity ward in Mariupol," he said, "Even before it hits the news, you see the videos on the Telegram channels." WhatsApp, a rival messaging platform, introduced some measures to counter disinformation when Covid-19 was first sweeping the world. The Russian invasion of Ukraine has been a driving force in markets for the past few weeks.
from es
