According to CNBC, Cisco Systems, McDonald's, and AppLovin experienced significant stock movements in after-hours trading. Cisco's performance was influenced by its earnings report, McDonald's saw changes due to operational updates, and AppLovin's valuation shifted following a market reaction to its latest announcement. Traders should monitor these developments for potential opportunities.

According to @StockMKTNewz, AppLovin ($APP) stock experienced a significant decline of approximately 10% in after-hours trading following the release of its earnings report. The market reaction suggests investor concerns around the company's financial performance or outlook, making it a critical point for traders and investors to evaluate potential opportunities or risks associated with $APP.