SoftBank's stock price has fallen sharply by 10% for two consecutive days, as OpenAI's position is challenged by Google.

SoftBank Group Corp., under Masayoshi Son, saw its stock price fall over 10% today, as concerns grow that Alphabet's ( Google, with the stock ticker GOOG), latest Gemini artificial intelligence model may intensify competitive pressure on OpenAI, while GOOG's stock price surged over 6%, continuing to set new historical highs.

OpenAI's hegemonic position shaken? Investors SoftBank's stock price plummets 10% for two consecutive days.

SoftBank Group's stock price has fallen more than 10% for two consecutive trading days, reaching a low not seen in two and a half months, with a monthly decline of 33%. Less than a month ago, SoftBank Group briefly became the second company in Japan, after Toyota Motor, to reach a market capitalization of 40 trillion yen (, approximately 255 billion dollars ), but since then its market value has shrunk by more than 40%.

The market analyst Tsutomu Yamada from Mitsubishi UFJ eSmart Securities stated:

“After the positive reviews of Google's Gemini 3, there are concerns that the competitive environment for OpenAI will become more challenging, which has impacted its stock price.”

SoftBank is one of the main investors in OpenAI, and it has fully integrated OpenAI technology into its subsidiaries, participating in multiple collaboration projects including StarGate (.

)Son Masayoshi said SoftBank will go all-in on OpenAI, creating an ASI super intelligence center(

Google AI is catching up, and GOOG continues to reach new highs.

Google recently officially launched the new generation large language model Gemini 3, which significantly outperforms its predecessor in several important AI benchmark tests, including science, mathematics, visual understanding, and long-range planning. In addition to Vibe Coding, Gemini 3 is also the strongest Agentic model, meaning that the AI can actively help you complete tasks.

With its large base of users, Google has proven that its search functionality has not been replaced by AI, and the newly launched Gemini 3 is catching up quickly. GOOG's stock price has recently performed well, continuously hitting historical highs, and has increased by 66% so far this year.

This article reports that SoftBank's stock price has fallen by 10% for two consecutive days, and OpenAI's position is being challenged by Google. It first appeared in Chain News ABMedia.