Meta发布全新AI模型Llama 4，原人工智能研究主管即将离职 「硅谷周报」是创业邦推出的系列栏目，旨在为科技领域创业者和投资人精选硅谷科技要闻，投融资 消息等，记录硅谷科技风向变动。 整理 | 刘杨楠 编辑 | 关雎 本周（2025.3.31-4.6）硅谷科技要闻包括： Meta发布全新AI模型Llama 4，原人工智能研究主管即将离 职；微软成立50周年之际，推出一系列针对Copilot的重大更新；Google Gemini高管Sissie Hsiao将卸任； OpenAI将在软银领投的融资轮中筹得400亿美元；Hut 8和埃里克·特朗普将创办比特币挖矿公司；AMD以 49亿美元收购ZT Systems高通考虑收购英国半导体公司Alphawave等等。 硅谷大公司 4月5日，Meta发布了其最新的AI模型系列Llama 4。该系列采用了"混合专家"（Mixture of Experts， MoE）架构，包含Llama 4 Scout、Llama 4 Maverick、Llama 4 Behemoth三款模型。 其中，Llama 4 Scout是一个拥有170亿活跃参数的模型，具备16个"专家"模块。它 ...

Core Insights - Visa Inc. is enhancing its financial transaction services with innovative solutions focused on security, AI, and data analysis to improve efficiency and customer experience [1][2][6] Group 1: New Services and Features - Visa has introduced three key solutions: reimagined Authorize.net, Unified Checkout, and ARIC Risk Hub, aimed at simplifying payment acceptance and enhancing fraud protection [2][6] - The upgraded Authorize.net platform will utilize AI-powered insights and real-time analytics, processing over $200 billion annually, with a domestic launch expected in Q2 2025 and global rollout in 2026 [3] - Unified Checkout integrates over 25 payment methods into a single system, featuring built-in fraud management, with a U.S. launch planned for Q3 2025 [4] - The ARIC Risk Hub employs adaptive AI to monitor transactions in real-time, enhancing security and reliability for users [5] Group 2: Market Performance - Visa's stock has increased by 23.9% over the past year, outperforming the industry growth of 20% [7] - Visa currently holds a Zacks Rank of 3 (Hold), while competitors like OppFi Inc., PagSeguro Digital Ltd., and Sezzle Inc. have stronger rankings [8]

Core Viewpoint - Investing in dividend stocks is a resilient strategy, especially during potential bear markets, as regular payouts can mitigate losses [1] Group 1: Apple - Apple is a significant holding in Berkshire Hathaway's portfolio and is praised for its strong business model and economic moat [3][4] - The company has built customer loyalty and high switching costs, making it difficult for users to transition to competitors [4] - Apple generates substantial revenue and profits, with over 2 billion devices in circulation and more than a billion paid subscriptions [5] - The services segment is the fastest-growing unit, providing multiple long-term growth opportunities [6][7] - Despite a market cap above $3 trillion, Apple has a forward dividend yield of 0.5% and has increased its payout by 92.3% over the past decade, with a conservative cash payout ratio of 14% [8] Group 2: Visa - Visa is the leading payment network globally, with over 4 billion cards in circulation and acceptance by more than 150 million businesses [9] - The company benefits from a network effect, where increased card ownership leads to more businesses accepting Visa, resulting in growing revenue and profits [10] - The trend of cash displacement in favor of cards provides a long-term growth tailwind, especially in markets outside the U.S. [11][12] - Visa has increased its dividends by 391.7% in the past decade, with a forward yield of 0.7% and a cash payout ratio of 22.6%, indicating room for further dividend increases [13]

Core Insights - Visa is attempting to acquire the Apple Card from its current network, Mastercard, by offering Apple $100 million [1] - This move comes as Apple seeks a new card issuer amid its ongoing separation from Goldman Sachs, which may end its relationship before the contract's expiration in 2030 [2] - Apple is in discussions with other potential issuers, including Barclays, Synchrony Financial, and Chase, while also considering the payment network before finalizing an issuer [3] Industry Dynamics - The competition among payment networks and card issuers is intensifying, driven by Apple's strong brand recognition and the desire to expand consumer bases in light of competition from Buy Now Pay Later apps [4] - The transition from Mastercard to Visa may not significantly impact current Apple Card holders, as both networks are widely accepted and operate primarily on the backend [5] - A new issuer could potentially enhance rewards and perks for Apple Card holders, addressing current limitations in customer satisfaction despite the card's high ratings [6]

Core Insights - Visa has reportedly offered Apple approximately $100 million to acquire the credit card business currently held by Mastercard [1] - The competition for Apple's credit card business is intensifying as Goldman Sachs, the bank behind the Apple card, is exiting the consumer lending sector [2] - Apple is seeking a new banking partner and plans to select a payment network before finalizing a new bank [2] - The Apple card program is significant, with around $20 billion in balances, making it one of the largest co-branded credit card programs [3] - Apple launched its credit card in 2019 in partnership with Goldman Sachs and Mastercard, featuring no fees and daily cash-back rewards [4] - Reports from July 2023 indicated that Goldman Sachs' partnership with Apple might be ending, with discussions ongoing with American Express for a potential takeover [5] - In January, it was reported that Apple was in talks with Barclays and Synchrony Financial to replace Goldman Sachs, despite Goldman having a contract with Apple until 2030 [6]

Featurespace, a provider of global fraud and financial crime solutions, announced a leadership change following its acquisition by Visa. CEO Martina King will retire and be succeeded by Jason Blackhurst, who will take on the role of senior vice president, head of Featurespace and acceptance risk solutions at Visa, Featurespace said in a Monday (March 31) press release. During her 12 years as Featurespace's CEO, King led the firm from its early stages to its current position as a leader in machine learning-p ...

Group 1: Visa - Visa is the 13th-largest American company with a market cap exceeding $600 billion, yet it receives little attention compared to other high-profile stocks [2] - The company has achieved a 10-year compound annual growth rate (CAGR) of 18.2%, outperforming the S&P 500's CAGR of 12.4% [3] - Visa's business model is based on charging small usage fees for access to its extensive payment network, which supports over 4 billion Visa-branded cards and trillions of dollars in net payment volumes each quarter [4] - Over the past decade, Visa's quarterly revenue has grown by an average of 12.8% per quarter, with annual revenue increasing from $13.2 billion to $36.8 billion [4] - Annual diluted earnings per share (EPS) have increased from $2 in 2017 to $9.92 today, indicating strong profit growth [5] - The shift from cash to card payments is expected to continue, further enhancing Visa's revenue and profitability [5][6] Group 2: AT&T - AT&T has undergone significant changes, shedding unprofitable ventures and refocusing on wireless and fiber connectivity [7] - The company's net debt peaked at $180 billion in 2018 but has been reduced to $122 billion, a decrease of over 32% [8] - Since the beginning of 2023, AT&T stock has generated a total return of 69%, outperforming the S&P 500's 53% return [9] - AT&T offers an annual dividend of $1.11, resulting in a dividend yield of 4.1%, appealing to income investors [9][10] - The company appears to be on a recovery path with a new strategy and a leaner balance sheet, making it a potential market-beating investment [10]

Core Insights - Visa Inc. has entered into a referral agreement with Extend to enhance its virtual card offerings, targeting the growing middle-market segment [1] - The partnership aims to capitalize on the increasing demand for secure and efficient B2B payment solutions, with virtual card spending expected to rise from $3.1 trillion in 2023 to nearly $14 trillion by 2028 [2] - This collaboration aligns with Visa's mission to modernize B2B payments, providing businesses with enhanced control and security through Extend's platform [3] Group 1 - The partnership is anticipated to drive greater adoption of Visa's virtual card solutions, improve customer retention for issuing banks, and generate additional transaction volume [4] - By simplifying B2B payments while enhancing security, Visa is reinforcing its leadership in the digital payments ecosystem [4] - Visa aims to achieve low double-digit revenue growth on an adjusted constant-dollar basis for fiscal 2025, with expected earnings per share growth in the low teens [5] Group 2 - Visa's shares have increased by 23.4% over the past year, outperforming the industry's growth of 18% [5]

Core Insights - Visa has consistently outperformed the S&P 500 over the last decade, with a compound annual growth rate (CAGR) of 18.6% compared to the S&P 500's 12.6% [1][2] - An investment of $25,000 in Visa stock on March 23, 2015, would now be worth approximately $137,000, factoring in price appreciation and reinvested dividends [2][3] - Visa's current annual dividend is $2.36 per share, resulting in a dividend yield of about 0.7% at the current share price [2] Business Performance - Visa operates a vast payment network that processes tens of billions of dollars in transactions daily, reporting $4.1 trillion in payment volume for the first quarter of fiscal 2025 [3] - This payment volume generated $9.5 billion in revenue and $5.1 billion in net income for the same quarter [3] - The company's business model is characterized as simple, steady, and lucrative, making it a wise investment choice for over a decade [4]

Core Points - The U.S. Small Business Administration (SBA) announced Visa as a platinum cosponsor for National Small Business Week, scheduled for May 4-10, 2025, highlighting Visa's ongoing commitment to supporting American entrepreneurs and job creators [1][2] - National Small Business Week has been celebrated for over 60 years, recognizing the vital role of small businesses and innovative startups in driving the U.S. economy and community development [2][3] - Visa aims to empower small businesses by providing tailored products, solutions, and educational offerings, aligning with its mission to connect more people to the global economy [2][3] Company Involvement - Visa has cosponsored National Small Business Week for multiple years, emphasizing its dedication to supporting small business growth and innovation [1][2] - Denise Press, Head of Small Business, NA, Visa Commercial Solutions, stated that small businesses are essential to shaping communities and driving local economies, reinforcing Visa's commitment to these entrepreneurs [3] Event Details - National Small Business Week will feature a virtual summit and national awards ceremony on May 5, with additional information available on the SBA's website [3]