The U.S. Treasury Supports the Tottering Bond Market With Doubled Buybacks, but the Recovery Remains Fragile – While the Broad S&P 500 Holds Steady, Tech and Semiconductor Stocks Come Under Pressure Again, and Gold Surges – SK Hynix Reassures the Nervous AI Sector With a $29 Billion Buyback – Marvell Secures a $12.2 Billion Deal With Google – Moderna Achieves the First Phase-3 Breakthrough With an mRNA Cancer Vaccine

USA & MACRO-ECONOMIC SITUATION Wall Street rebounds After three consecutive days of losses, sentiment shifts as the U.S. Treasury announces a significant intervention in the long end of the yield curve. The agency aims to "at least double" liquidity buybacks for securities with maturities between ten and thirty years – a clear signal that Washington wants to lower financing costs after yields recently reached multi-year highs. The S&P 500 remains up by +0.56%, although speculative tech stocks and the Nasdaq 100 (+0.01%) are experiencing...