Ambarella stock jumps 8% as chip rally rolls on — what traders are watching next
New York, January 16, 2026, 12:46 EST — Regular session underway. Shares of Ambarella (AMBA.O) surged roughly 8% on Friday, buoyed by a wider rally in semiconductor stocks as investors showed renewed interest in chipmakers before the long weekend. This shift matters as the market remains jittery over tech valuations and the speed of AI-fueled spending, prompting traders to pivot risk rapidly across the chip sector. Ambarella often mirrors that sentiment, acting like a high-beta proxy when semiconductor stocks shift. Chip stocks found a boost after Taiwan Semiconductor Manufacturing Co laid out a robust outlook this week, lifting major players