BlackRock (BLK. N), the world's largest asset manager, sharply increased its holdings of U.S. stocks and exposure to artificial intelligence (AI) in its $185 billion model portfolio. After adjustments, the portfolio's equity holdings were overweight by 2%. Data showed that BlackRock's exchange-traded funds (ETFs) saw billions of dollars of capital flow after it completed the asset allocation adjustment. BlackRock said the relatively strong earnings performance of U.S. companies will continue to ...