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This image, from 2017, shows one of the MeyGen project’s tidal stream turbines. The MeyGen array has a total of four turbines.

Chris Ratcliffe | Bloomberg | Getty Images

The emerging tidal power sector seems to have taken another step forward — an Edinburgh-headquartered firm said Monday that its project had achieved a world first by producing 50 gigawatt hours of electricity.

“During the early hours of this morning … our tidal stream array off the coast of the Pentland Firth became the first tidal stream array in the world to generate 50GWh of electricity,” Graham Reid, the CEO of SAE Renewables, said in a statement.

Reid described the news as a “significant milestone in delivering tidal stream power at scale.”

“Total global generation from all other tidal devices and sites is less than 50% of that amount,” he added.

Located in waters north of mainland Scotland, SAE Renewables’ MeyGen array is made up of four 1.5 megawatt turbines and has a total capacity of 6 MW when fully operational. Currently, three turbines are in operation.

“The MeyGen site has been operational since 2017, we have overcome many challenges, with reliability being an issue in the early days, but we have learned an immense amount along the way,” Reid said.

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Scotland has a long association with North Sea oil and gas production, but in recent years it’s become a hub for companies and projects focused on tidal power and marine energy in general.

These businesses include Nova Innovation, which has developed the 600 kilowatt Shetland Tidal Array, and Orbital Marine Power, which is working on what it says is the “most powerful tidal turbine in the world.”

North of the Scottish mainland, the archipelago of Orkney is home to the European Marine Energy Centre, where wave and tidal energy developers can test and assess their technology in the open sea.

Relatively small footprint

Though there’s excitement about the potential of marine energy, the footprint of tidal stream projects remains much smaller than that of other renewables.

Some progress has been made in recent years, however. In data released in March 2022, trade association Ocean Energy Europe said 2.2 MW of tidal stream capacity was installed in Europe in 2021, up from just 260 KW in 2020. Globally, 3.12 MW of tidal stream capacity was installed.

But by way of comparison, Europe installed 17.4 gigawatts of wind power capacity in 2021, according to figures from industry body WindEurope.

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We’re increasing our Cisco Systems price target after an AI-fueled beat and raise

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We're increasing our Cisco Systems price target after an AI-fueled beat and raise

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CNBC Daily Open: An AI and ‘everything else’ market in play in the U.S.

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CNBC Daily Open: An AI and 'everything else' market in play in the U.S.

Traders work on the floor of the New York Stock Exchange (NYSE) on Nov. 12, 2025 in New York City.

Spencer Platt | Getty Images

The divergence between the performance of the Dow Jones Industrial Average and Nasdaq Composite on Wednesday stateside reinforces the suggestion that there are two markets operating in the U.S.: one of an artificial intelligence and another of “everything else.”

Not only did the Dow rise, it also secured its second consecutive record high and closed above the 48,000 level for the first time.

The index, which comprises 30 blue-chip companies, is typically seen as a marker of the “old economy.” That is to say, it is mostly made up of large, well-established companies driving the U.S. economy, such as banks, healthcare and industrials, before Silicon Valley became a mini sun powering everything.

And it was those stocks — Goldman Sachs, Eli Lilly and Caterpillar — that lifted the Dow on Wednesday.

To be sure, new and flashy names, such as Nvidia and Salesforce, constitute the Dow too. But as the index is price-weighted, meaning that companies with higher share prices influence the Dow more, tech companies don’t exert as much gravity on it.

That’s in contrast to the Nasdaq, which is weighted by companies’ market capitalization, and dominated mainly by technology firms. The tech-heavy index fell as shares like Oracle and Palantir slipped — even Advanced Micro Devices’ 9% pop on its growth prospects couldn’t rescue the Nasdaq from the red.

It’s not necessarily a warning sign about overexuberance in AI.

“There’s nothing wrong, in our view, of kind of trimming back, taking some gains and re-diversifying across other spots in the equity markets,” said Josh Chastant, portfolio manager of public investments at GuideStone Fund.

But what investors would really like is if fork in the road merges into one. That tends to be the safer path to take.

What you need to know today

The Dow Jones Industrial Average notches record. The 30-stock index climbed 0.68% Wednesday stateside to close above 48,000 for the first time. The S&P 500 was mostly flat and the Nasdaq Composite fell 0.26%. The pan-European Stoxx 600 gained 0.71%.

Anthropic to spend $50 billion on U.S. AI infrastructure. Custom data centers will be first built in Texas and New York and go live in 2026, with more locations to follow. The facilities will be developed with Fluidstack, an AI cloud platform.

U.S. October jobs and inflation data might not be released. White House press secretary Karoline Leavitt told reporters that part of the fallout of the government closure could be lasting damage to the government’s data collection ability. But analysts think otherwise.

U.S. House of Representatives heading toward a vote. The House on Wednesday night stateside cleared a procedural hurdle required before the vote could begin on a bill that would end the government shutdown. Voting is expected to happen as of publication time.

[PRO] This U.S. mining stock is a top play: CIO. U.K. fund Blue Whale Capital’s Stephen Yiu said macroeconomic concerns, such as the U.S. fiscal deficit and the weakness of the dollar, could support the stock.

And finally…

People walk by the New York Stock Exchange (NYSE) on June 18, 2024 in New York City. 

Spencer Platt | Getty Images

Why private equity is stuck with ‘zombie companies’ it can’t sell

Private equity firms are facing a new reality: a growing crop of companies that can neither thrive nor die, lingering in portfolios like the undead.

These so-called “zombie companies” refer to businesses that aren’t growing, barely generate enough cash to service debt and are unable to attract buyers even at a discount. They are usually trapped on a fund’s balance sheet beyond its expected holding period.

Lee Ying Shan

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Firefly Aerospace shares jump 15% on strong revenues, boosted guidance

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Firefly Aerospace shares jump 15% on strong revenues, boosted guidance

Jason Kim, chief executive officer of Firefly Aerospace, center, during the company’s initial public offering at the Nasdaq MarketSite in New York, US, on Thursday, Aug. 7, 2025.

Michael Nagle | Bloomberg | Getty Images

Firefly Aerospace‘s stock surged 15% on Wednesday after the space technology company issued better-than-expected third-quarter results and lifted its guidance.

Revenues in the third quarter jumped nearly 38% to $30.8 million from $22.4 million in the year-ago period and nearly doubled from the previous quarter.

Firefly’s net loss totaled $140.4 million, or $1.50 per share. The company said net loss included costs tied to its IPO, foreign exchange and executive severance

The company also lifted its outlook for the year, saying it now expects revenues to range between $150 million and $158 million. That’s up from previous guidance in the range of $133 million and $145 million.

This is Firefly’s second quarterly report as a public company. Last quarter, shares slumped after it posted a bigger loss and lower revenues than analysts were expecting.

The Cedar Park, Texas, company went public on the Nasdaq in August during a period of heightened enthusiasm toward space technology. The U.S. government and NASA have leaned on more contracts with companies like Firefly and Elon Musk‘s SpaceX to support moon missions.

But shares of Firefly have lost 70% of their value since their opening day close, and the company’s market capitalization has plummeted from about $8.5 billion to about $2.7 billion on Wednesday.

In September, Firefly shares sank after a rocket exploded during a ground test at the company’s Texas facility, days after receiving clearance from the Federal Aviation Administration over a separate incident. Firefly has since put “corrective measures” in place, the company said on Wednesday. Shares dropped 35% in September and are down 24% this month.

Firefly in July won a nearly $177 million contract with NASA for an upcoming moon mission, and in October, it announced its acquisition of defense tech firm SciTec to boost its national security portfolio.

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