Microsoft gains; co revamps Copilot with code generation, agentic AI tools
** Microsoft's shares MSFT.O rise 2.3% to $509.4
** Co unveils new capabilities in its Copilot app, including a coding tool and an always-on AI agent
** Co is embedding Office apps directly in Copilot and rolling out new AI coding and "Autopilot" AI tools to boost adoption and compete with rivals
** MSFT also unveils cost-management tools to give employees insight into AI usage costs amid enterprise concerns over rising expenses
** Including session's move, stock rose 6.8% YTD vs a 12.9% gain in the S&P 500 index .SPX