Group 1 - U.S. stocks experienced an upward trend, with the Dow Jones index increasing by over 350 points on Friday [1] - White Mountains Insurance Group announced plans to sell a controlling interest in its technology-driven homeowners' insurance distribution platform, Bamboo, to CVC Capital Partners, leading to a significant rise in its stock price [1][2] - The deal values Bamboo at $1.75 billion, and the company specializes in data-enabled underwriting and distribution for the residential property market in California and Texas [2] Group 2 - White Mountains Insurance Group shares surged by 9.2%, reaching $1,817.83 on Friday following the announcement of the Bamboo deal [2] - Other notable stock gains included Anbio Biotechnology, which rose by 69.6% to $43.07, and Lithium Americas Corp., which increased by 29.1% to $8.85 [4] - USA Rare Earth, Inc. shares climbed 21.4% to $27.56 amid reports of discussions with the White House [4]