Facebook CEO Mark Zuckerberg testifies before a joint Senate Judiciary and Commerce Committees hearing last week. The scandal involving Cambridge Analytica saw $50 billion wiped off Facebook's market value. Aaron P. Bernstein / Reuters
Facebook CEO Mark Zuckerberg testifies before a joint Senate Judiciary and Commerce Committees hearing last week. The scandal involving Cambridge Analytica saw $50 billion wiped off Facebook's market Show more

Is now the time to abandon big tech stocks?