Nvidia sets biggest-ever buyback plan as AI chip competition weighs on stock performance ↧ ↧ Nvidia sets biggest-ever buyback plan as AI chip competition weighs... Nvidia boosted its share buyback ‌authorization by a record $150 billion, eclipsing Apple's $110 billion approval in 2024, making a big bet on its own stock as intensifying AI-chip competition weighs on its performance relative to peers.