Market Performance - Major indexes, including the S&P 500, achieved gains during the holiday-shortened trading period, with the S&P 500 reaching new all-time highs [1][6] - Each of the three major indexes rose more than 1% last week, marking their fourth positive week in the last five [6] Airline Industry - A significant winter storm caused thousands of flight cancellations and delays in the Northeast U.S. during a busy holiday travel period, with over 50 million expected to fly [2][3] - Major airlines, including American, Delta, United, Southwest, and JetBlue, waived change fees for travelers affected by the storm, provided they travel by the end of the year [3] Technology Sector - Nvidia's acquisition of Groq's top talent is being described as a "non-exclusive licensing agreement," potentially to avoid antitrust issues [9][10] - This agreement is noted to be Nvidia's largest acquisition on record, highlighting the company's significant size and influence in the tech industry [10] Restaurant Industry - Fast-food chains like McDonald's and Taco Bell are focusing on value offerings to attract price-conscious consumers, with McDonald's extending its $5 value meal [11][12] - In contrast, fast-casual restaurants like Chipotle and Cava are avoiding discounting strategies and focusing on quality instead [12]