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Why extreme oil price volatility sets off alarm bells for markets and the economy

Nearly every time front-month Brent futures have risen or fallen 30% or more in a month, that’s been accompanied by above-average stock market volatility. In most cases, it’s either coincided with or been soon followed by a recession.

Luke Kawa

In the long run, stocks tend to follow earnings.

And in the short term, RBC’s equity analysts don’t think the companies they cover (outside of the energy sector) will take a big hit from the increase in oil prices.

RBC’s analysts were polled on March 3 and 4 on what would happen in the event that this conflict lasts more than four weeks with crude prices staying above $100 for “an extended period of time.”

Their response, per RBC Chief US Equity Market Strategist Lori Calvasina:

“Among our non-Energy analysts, 72% said that EPS impacts from higher oil and gas would be ‘none,’ ‘only a little,’ or ‘not relevant/mixed/don’t know.’ The same was true for 77% of our analysts when we asked about direct revenue / Middle East impact and 66% when we asked about impact from knock-on effects. Does this data suggest that a worsening of the conflict doesn’t matter to US equities? No, but it does suggest that the risks are concentrated in certain areas and that in many the potential impacts are not seen as highly significant.”

That’s a rather glass-half-full way of approaching the current backdrop for markets (but, to be fair, the glass-half-full view usually carries the day for stocks).

History would also tell us that extreme moves in oil prices tend to either reflect, or cause, big changes in demand. That is, oil going down a lot tells us that demand is bad; oil going up a ton tells us that demand will soon be bad because of how high prices are.

Outside of crude rebounding from a supply-driven tumble in Q1 2016, every time front-month Brent futures have risen or fallen 30% or more in a month, that’s been accompanied by above-average stock market volatility. In most cases, it’s either coincided with or been soon followed by a recession.

Because oil plays a role in determining the price of everything that’s shipped, as well as how much most people spend filling up their tanks, it has a big macroeconomic impact.

Whether or not an individual company will face stress from surging oil prices is missing the forest for the trees — or rather, missing the tankers for the empty strait.

Oil price volatility is something that tends to mark a crisis. What’s happening right now is certainly a geopolitical crisis, and could metastasize into an economic and market crisis. It certainly doesn’t have to! But one thing we know about humungous gyrations in oil prices is that they’re fuel for higher correlations, and in times of crisis, correlations tend to go to one.

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Spectrum-owner Charter Communications is on pace for its worst day ever as broadband numbers and Q1 results disappoint

Cable and broadband company Charter Communications is on pace for its worst-ever trading day on Friday, as investors dump the stock following its Q1 results and forward guidance.

Charter, which owns Spectrum, reported adjusted earnings of $9.17 per share, below Wall Street estimates of $9.96 per share from analysts polled by FactSet. On the company’s earnings call, CFO Jessica Fischer appeared to lower its full-year revenue per user guidance.

“It'll be close either way in terms of whether we end up with net growth,” said Fischer.

The company lost 120,000 internet subscribers in the quarter, deeper than the expected 94,800 and double its loss from the same period last year. That news comes one day after Comcast’s earnings provided a bit of optimism for broadband as a category: the company reported Q1 losses of 65,000, significantly improving from 183,000 losses in the same quarter last year. Comcast is down more than 10%, on pace for its worst day since January 2025.

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Nvidia poised to snap longest run without a record close since the AI boom began

The stock price of the company responsible for the brains of the AI boom is finally showing some brawn again.

Nvidia, the world’s most valuable company, is poised to close at a record high for the first time since October 29, 2025, on Friday (if it ends above $207.04).

The AI chip trade is on fire, with the Philadelphia Semiconductor Index slated to deliver its 18th consecutive gain as Intel’s robust results and outlook juice the entire ecosystem. Hyperscalers report earnings next week, and their capex guidance can be thought of as the earnings guidance for Nvidia and other AI suppliers for the quarters to come.

This would end Nvidia’s longest stretch without a record close since the unofficial start of the AI boom (when the chip designer delivered blowout quarterly results in May 2023).

(Sorry if I jinx this!)

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Lilly slips after prescriptions for its weight-loss pill come in below expectations in second week

Eli Lilly fell on Friday after prescription data for its new weight-loss pill, Foundayo, showed that it’s having a significantly slower rollout than its top competitor.

The pill was prescribed about 3,700 times in its second week, according to IQVIA data cited by Deutsche Bank analysts, compared to the roughly 8,000 they were expecting. Novo Nordisk’s Wegovy pill, which came out in January, hit over 18,000 prescriptions in its second week.

The FDA approved Foundayo on April 1 and shipments began on April 9. Deutsche analysts noted that Lilly’s GLP-1 injections, which currently outsell Novo’s, also had a slower start.

Lilly fell more than 4% after the numbers were released. Novo Nordisk rose more than 5%.

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