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 ...

Three decades ago, financial adviser Bill Bengen created a retirement principle called the 4% rule. It went viral. Now, the rule is getting an update. The 4% rule says you should plan to spend 4% of ...

Archaeologists in Poland discovered 5,500-year-old tombs dubbed “Polish pyramids.” The oversized graves feature earthen mounds in a trapezoidal shape, some stretching 656 feet in length. The scene ...

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The rule of $1,000 may help you figure out how much dough you need to save for retirement. You can guess, of course. Or go with a big number like $1 million, or even the $1.6 million that 401 (k) plan ...

Do you remember the 2023 recession? I hope not, because it didn’t happen. But back in 2022 there were so many confident predictions of imminent recession that I wonder whether some people have the ...

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Abstract: In this paper, a simplified plane mathematical model of integral steering trapezoidal mechanism is established and the functional relationship between the internal and external steering ...