Alphabet stock jumped 5% on Wednesday after Google debuted its latest artificial intelligence model, Gemini 3 , sparking optimism from investors. The new model is an improvement on its predecessor, Gemini 2.5, which Google released about eight months ago. Google said Gemini 3 allows users to get better answers to more complex questions and doesn't need as much prompting to determine the context and intent behind their requests. Gemini 3 will be integrated into Google's search products, the