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Microsoft plans a $25 billion debt sale to fund its AI buildout

Microsoft is preparing to raise $25 billion in debt to finance artificial intelligence infrastructure, backed by a strong credit rating and positive free cash flow.

By BBCorp

What happened

Microsoft plans to raise $25 billion in the debt market to fund its artificial intelligence buildout.

The company carries a strong credit rating and has kept free cash flow positive, which sets it apart from Meta, Alphabet and Amazon as those companies also spend heavily on AI capacity.

Why it matters

Large debt issuance by a mega-cap technology company ties the AI investment cycle to credit markets. Bond sales of this scale are watched for the yields investors demand, and shifts in corporate borrowing costs can feed through to broader rate expectations and to the valuations placed on equity indices where technology names carry heavy weight.

Heavy capital spending funded by borrowing rather than cash flow also changes how investors assess balance sheet strength across the sector. That assessment can move index futures, influence demand for the dollar through rate and risk channels, and spill into assets such as crypto that often trade alongside shifts in appetite for risk.

What to watch

Details of the bond sale itself, including how it is priced and received, and further disclosures on free cash flow and AI spending from Microsoft and from Meta, Alphabet and Amazon.

Markets in play