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RIP: Jim Simons, pioneering quant investor

In the late 1970s, Simons abandoned a promising career as an academic mathematician to trade currencies, and built Renaissance Technologies into one of the most profitable investment shops of all time. Renaissance’s flagship Medallion fund — open only to Renaissance employees — averaged annual returns, after fees, of nearly 40% from 1988 to 2020, according to the Wall Street Journal’s Gregory Zuckerman, who wrote a book about Simons entitled “The Man Who Solved the Market.”

In 1994, he and his wife founded the Simons Foundation, which is one of the largest charitable organizations in the US, and funds research in mathematics and science.

In 1994, he and his wife founded the Simons Foundation, which is one of the largest charitable organizations in the US, and funds research in mathematics and science.

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Analyst reports that OpenAI is partnering with Qualcomm for custom processors for an AI smartphone chip

Qualcomm, the worst-performing member of the Philadelphia Semiconductor Index this year which finally got its day in the spotlight on Friday, is basking in the sunshine once again. The San-Diego based firm is up 12% in early trading on Monday after an analyst said that the smartphone chipmaker is partnering with OpenAI to build new custom processors for smartphones.

Per an X post from TF Securities analyst Ming-Chi Kuo late last night, OpenAI is working with Qualcomm, as well as MediaTek and Luxshare, to develop an AI agent phone, with plans for mass production to start from 2028.

Per Kuo, processors for the AI phone, which Qualcomm and MediaTek will partner to co-develop, will prioritize “power consumption, memory hierarchy management, and basic small-model execution,” in an effort to continuously understand the user’s context, whilst more complex or compute-intensive tasks will be handled by cloud AI. Specifications and suppliers for the processors are expected to be finalized by late 2026 or 1Q27.

The reported partnership continues OpenAI’s ambitions to get into agentic AI hardware, after announcing in July 2025 that it is building an AI device with Broadcom under the watch of Jony Ives, the former Chief Design Officer at Apple.

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Amazon-backed X-Energy continues post-IPO rally

Nuclear energy company X-Energy continued to rise in premarket trading on Monday after rushing out of the gate on its Nasdaq debut.

X-Energy shares closed 27% above their IPO price on Friday, its first day as a publicly-listed company. Shares have risen another ~16% before the bell on Monday.

The company raised $1 billion for its IPO, with high-profile backers including Amazon and Ken Griffin, the founder of the hedge fund Citadel. X-Energy had a market capitalization of $11.6 billion as of Friday’s close.

The company uses modular nuclear reactors to produce energy for industrial facilities and data centers, joining a list of energy startups including Oklo and Fermi looking to profit from the artificial intelligence boom’s massive energy demand.

X-Energy, which counts Dow, Inc. and Amazon among its clients, reported $109.3 million in revenue in 2025 and a $390 million net loss for the year.

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US stock futures erase losses on report of new Iranian proposal to reopen the Strait of Hormuz

S&P 500 futures erased small losses on Sunday evening after Axios reported that Iran, through Pakistan, is offering a fresh proposal to reopen the Strait of Hormuz and end the conflict. West Texas Intermediate futures are off their highs, but still up 1.6% as of 9:33 p.m. ET. According to Axios, this deal would punt the issue of Iran’s nuclear program to a later date.

This new potential off-ramp follows some less than encouraging news on the status of talks between the two sides. On Saturday, President Donald Trump said that he canceled a trip to Pakistan during which Steve Witkoff (special envoy to the Middle East) and Jared Kushner (Trump’s son-in-law) had been expected to negotiate with Iran. On Sunday, Trump told Fox News that Iran “can come to us, or they can call us” if they want to talk.

The Strait of Hormuz, a key chokepoint for global oil flows, has been largely closed since the conflict started roughly two months ago, despite a ceasefire agreement that was said to be contingent on the reopening of this waterway. In addition to Iranian military threats, which initially made passage through the strait too dangerous for most vessels to attempt, the US has also recently started a naval blockade to limit Iranian oil exports.

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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 guidance for full-year revenue per user.

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

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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