AI spending is front and center again for investors. Oracle plunged Thursday, with top hardware makers including Nvidia and Broadcom also dropping.

Oracle has spent years piling up debt to fund share buybacks, which raises the risk level of adding even more debt to the balance sheet. Thanks to heavy spending on AI infrastructure, Oracle ended the second quarter with about $108 billion in debt. That's up from $92.6 billion in May. The company completed an $18 billion bond sale in September.

By June, after a solid fiscal fourth-quarter report that showed cloud revenue up 27%, the stock had notched a 30% year-to-date gain, handily outpacing the major indexes. The buzz was electric, with chatter seemingly everywhere surrounding Oracle's OCI (Oracle Cloud Infrastructure) powering enterprise AI pilots.

Oracle’s Q2 miss and heavy AI capex needs deepen market concerns as analysts flag financing risks and uncertainty around future growth.

Oracle might have an OpenAI problem. Oracle (ORCL) stock has tumbled nearly 40% from its September peak, erasing more than $360 billion from its market capitalization. Nearly $67 billion of that decline occurred on Thursday alone,

Wall Street's tech‑heavy Nasdaq slid to a one‑week low on Thursday, as renewed jitters over Oracle's aggressive AI spending spree drowned out optimism sparked by a softer, less hawkish Federal Reserve.

Detailed price information for Meta Platforms Inc (META-Q) from The Globe and Mail including charting and trades.

David Sekera, U.S. chief market strategist at Morningstar, joins BNN Bloomberg to discuss the markets following Oracle's results as well as to talk stock trade.