Q4 Earnings Roundup EID Parry Reports Loss Marksans Pharma and Astra Microwave See Profit Gains AIA Engineering Declines Berkshire Hathaway Reenters Airlines with 26 Billion Delta Air Lines Stake Gen Zs Bargain Hunt Propels Discount Retailers Walmart and Ross Plus500 Reports 11 Quarterly Revenue Growth Reaffirms FullYear Outlook Perpetua Resources Secures 29 Billion US Loan for Idaho Gold and Antimony Project Novartis Lifts FullYear Guidance on Strong Operational Momentum US Stocks Rally SP 500 Extends Winning Streak Dow Gains Over 2 for the Week