Wall St Rises as Yields Ease, Moderna Lifts Healthcare Stocks

English summary

Wall Street's main indexes closed modestly higher on Wednesday as the US Treasury announced it would double the size of liquidity support buyback operations for longer-dated bonds, pushing 30-year and 10-year Treasury yields lower. Fed minutes showed deepening inflation concerns with 'several' policymakers ready to raise rates. Separately, Moderna's personalized mRNA cancer therapy developed with Merck cut melanoma recurrence risk, sending its shares up nearly 177%.