Meta Platforms (META) reported strong third-quarter results thanks to a rebound in advertising sales and continued cost discipline in CEO Mark Zuckerberg's "year of efficiency. However, warnings of a volatile start to ad spending in the fourth quarter that coincided with the war in the Middle East caused shares to give up their initial after-hours gains and trade lower.

Meta's Q4 guidance that knocked the stock lower is not a reason to sell comes via ChinaTechNews.com.