Closing Bell Overtime: OpenAI Continues Massive Spending; Breaking Down AppLovin 10/6/25

OpenAI inks a big deal with AMD before announcing key partnerships and news at its developers event. Our Mackenzie Sigalos brings the important takeaways while Big Technology’s Alex Kantrowitz on the promise—and peril—of tech’s big spending on AI. Drew Pettit (Citi) and Keith Lerner (Truist Wealth) weigh in on broader market trends. Needham’s Bernie McTernan explains AppLovin’s meteoric rise.