Analysis: Alphabet's shares have jumped about 30% from a September low, with a chunk of those gains coming after Google unveiled its Willow quantum chip (Ryan Vlastelica/Bloomberg)

Ryan Vlastelica / Bloomberg:
Analysis: Alphabet's shares have jumped about 30% from a September low, with a chunk of those gains coming after Google unveiled its Willow quantum chip  —  - Breakthrough isn't a revenue driver but showed tech prowess  — The shares are up 40% this year and are trading near a record

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