Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

A vendetta between the billionaire founders of Two Sigma Investments flared up last month, prompting a new leadership battle at their $70 billion hedge-fund firm.

Nielsen has notified clients that it is terminating its decades-old radio advertising monitoring and verification service SIGMA Radio. The service, which is used by broadcasters, advertisers and ...

The British playground usually echoes to screechy impersonations of well-known artists such as Katy Perry. But if you approach one today you may well hear a seven-year-old adopt a vaguely Slavic ...

Lithium prices are on fire, with prices of lithium carbonate futures hitting 18-month highs of $99,000 yuan, or roughly $14,060 per metric ton, on Dec. 22. China holds the world's largest lithium ...

There are a number of vertical take-off and landing (VTOL) aircraft currently being put together around the world, and no matter who makes them, or where, they all share at least two traits: none of ...

Tamil star Vijay’s son Jason Sanjay is debuting in the Tamil film industry as a director. Lyca Production is producing Jason’s debut film, Sigma, which stars Sundeep Kishan in the lead role. The ...

With these product enhancements, Sigma empowers teams to explore, build, automate, and act—becoming the verb for how businesses move through their data journey with confidence and speed With new ...

In February, Sigma announced the Sigma BF. It's a full-frame, interchangeable lens camera with just a shutter release, a dial and three buttons. That minimalism speaks to me, and I felt the BF was ...