Business & Markets — August 27, 2026

CrowdStrike shares rise 11%. CrowdStrike shares gained 11% Wednesday after a record second quarter, as frontier AI threats drive demand for advanced security tools. The stock is up 61% this year.

CNBC framed the results as a "Mythos moment," tying the cybersecurity firm's record quarter to a broader wave of AI-driven demand for protection tools. According to the outlet, the emergence of frontier AI models is a key factor pushing organizations toward more sophisticated defenses, a dynamic it credited for both the quarterly performance and the stock's substantial year-to-date advance.

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Fed's Cook denies mortgage fraud. Federal Reserve Governor Lisa Cook's lawyers formally rebutted President Trump's renewed removal effort Wednesday, arguing an inadvertent paperwork error gives him no legitimate grounds to fire her.

The filing marks Cook's formal legal response to the White House's renewed push to remove her from the central bank. According to MarketWatch, her attorneys contend the mortgage-related allegation traces to an unintentional paperwork mistake rather than fraud, and they argue that such an error provides the president no legitimate basis to oust a sitting Federal Reserve governor.

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Canada retaliates with tariffs up to 50%. Canada announced dollar-for-dollar retaliatory tariffs as high as 50% on U.S. goods Thursday, covering steel, furniture, seafood, and consumer products -- the sharpest escalation yet in the trade war.

The measures are designed to match U.S. duties dollar for dollar, according to the BBC, and reach well beyond industrial goods into everyday consumer items, with fresh tuna and makeup among the products facing new levies alongside steel and furniture. The breadth of the list and the 50% ceiling mark the most aggressive step Ottawa has taken in the dispute so far.

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Nvidia shares rise 7%. Nvidia shares gained 7% Thursday after quarterly results beat Wall Street expectations and the company projected 70% revenue growth for fiscal 2028, reviving confidence across AI markets.

According to CNBC, the chipmaker's forward guidance was the key factor reassuring investors, addressing questions about whether spending on artificial intelligence would hold up over the longer term. The multi-year growth projection helped lift sentiment beyond the company itself, with the outlet reporting renewed confidence spreading across AI-linked stocks and the broader technology sector following the earnings release.

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