Berkshire Hathaway Revamps Portfolio New Stake in Delta Air Lines and Increased Alphabet Holdings CPF LIFE vs SelfInvesting Financial Management Ability May Determine Retirement Strategy Qualcomm Stock Surges as Investor Focus Shifts to AIPowered Devices PreMarket News Roundup Key Themes and Market Context Charles Schwab CEO Prioritizes WealthBuilding Over Meme Coins and Gambling AEM Holdings CEO Says AI Becoming as Vital as Water and Power Amid 450 Share Surge AI Economy Reshapes Labor Market BlueCollar Workers Could Emerge as Key Beneficiaries