Group 1 - The core point of the news is that local bank stocks in Hong Kong have collectively risen, driven by a significant increase in Hang Seng Bank's share price, which surged nearly 15% following a privatization proposal [1] - Hang Seng Bank announced that HSBC Asia Pacific, as the offeror, has requested the board to present a proposal to shareholders for privatization under section 673 of the Companies Ordinance [1] Group 2 - Hang Seng Bank's stock rose by 14.96%, reaching a latest price of 136.800, with a total market capitalization of 256.01 billion and a year-to-date increase of 52.42% [2] - East Asia Bank's shares increased by 8.02%, with a latest price of 13.200 and a market cap of 34.805 billion, reflecting a year-to-date rise of 45.21% [2] - Dah Sing Banking Group's stock rose by 7.18%, with a latest price of 10.600 and a market cap of 14.901 billion, showing a year-to-date increase of 41.33% [2] - Bank of China Hong Kong's shares increased by 2.15%, with a latest price of 37.000 and a market cap of 391.193 billion, marking a year-to-date rise of 61.21% [2] - Standard Chartered Group's stock saw a modest increase of 0.65%, with a latest price of 154.000 and a market cap of 353.058 billion, reflecting a year-to-date increase of 66.64% [2]