Quantum Portfolios: A New Approach to Investment Optimization
![A variational quantum circuit, structured to a depth of two and utilizing three qubits, encodes problem Hamiltonians with [latex]R_z[/latex] gates for phase separation within the Quantum Approximate Optimization Algorithm, while [latex]R_x[/latex] gates function as mixing operations.](https://arxiv.org/html/2601.03278v1/Circuit.png)
Researchers are exploring the potential of quantum computing to enhance Markowitz portfolio theory and tackle complex investment constraints.
![A variational quantum circuit, structured to a depth of two and utilizing three qubits, encodes problem Hamiltonians with [latex]R_z[/latex] gates for phase separation within the Quantum Approximate Optimization Algorithm, while [latex]R_x[/latex] gates function as mixing operations.](https://arxiv.org/html/2601.03278v1/Circuit.png)
Researchers are exploring the potential of quantum computing to enhance Markowitz portfolio theory and tackle complex investment constraints.

To mark the 20th anniversary of World of Warcraft, Classic launched new servers where players could experience the original game – often called Vanilla – from the very beginning. These servers, known as the World of Warcraft Classic Anniversary Edition or WoW Classic Fresh, included a few popular features to make gameplay smoother, like dual specialization, the Looking For Group tool, and the Chronoboon Displacer. However, they remained largely faithful to the original World of Warcraft experience.
When Bitcoin peaked at $126,000 on Oct. 6, 2025, optimists clutched their crystal balls, chanting the sacred mantra of the 4-year cycle. Alas, fate had other plans. By Oct. 10, a liquidation cascade-akin to a bureaucratic purge-sent prices spiraling toward the abyss. By year’s end, Bitcoin was a shadow of its former self, a $80K ghost haunting the $100K psyche. “Where’s the rally?” cried the crowd. “Where’s the BTC?” they wailed.

Let’s look at games from the 20th century that still impress us visually, even today. These titles are important milestones in gaming history and represent significant achievements in development. We’ll be using the original release dates – often meaning their first launch was in Japan – and ranking them based on their visual impact at the time.
A new analysis reveals how key parameters in the LINEture digital signature scheme can be optimized to bolster security and efficiency in the age of quantum computing.
The return of capital to the world’s largest exchange by trading volume suggests a change in investor positioning. This comes after a challenging December, marked by heightened risk aversion across cryptocurrency markets. 🦄📉

The expanding DAT ecosystem, a double-edged sword that cuts both ways ⚔️. Market volatility forces investors to offload stocks, which in turn amplifies stress across risk assets 😩. Ah, the sweet taste of strategy, as seen in [MSTR]’s downfall – a whopping 45% decline, its worst year since the 2022 bear market 🐻.

The game Life is Strange first launched in 2015 as an episodic series and quickly became popular, resulting in a prequel, a spin-off, and three sequels. The original game followed Max Caufield as she dealt with a crisis using her ability to rewind time. Since then, each installment has featured new characters and unique powers – like brothers Sean and Daniel in Life is Strange 2 and Alex Chen in Life is Strange: True Colors. The series recently revisited Max’s story in the newest release, Life is Strange: Double Exposure.

Kenshi Yonezu’s new song, “IRIS OUT,” is another significant hit for both the Chainsaw Man series and for him personally. His previous Chainsaw Man opening theme, “Kick Back,” was the first Japanese-language song to earn a Platinum certification from the RIAA, and “IRIS OUT” has the potential to reach the same milestone with sales of over a million copies in the United States. Notably, “IRIS OUT” climbed higher on the Billboard Global 200 chart (reaching number 5) than “Kick Back” (which peaked at 13). Both songs were number one hits in Japan, topping both the Japan Hot 100 and Billboard Japan’s Japan Hot Animation charts.

A new framework uses knowledge graphs and artificial intelligence to assess and strengthen enterprise cybersecurity in the face of looming quantum computing advancements.