There's an iconic scene at the end of the 1985 film "Back to the Future" when Doc Brown returns from 2015 to warn Marty McFly and his future wife, Jennifer, that their future children have "problems." ...
Laurie Sepulveda is a MarketWatch Guides team senior writer who specializes in writing about insurance, investing, personal loans, home equity loans, mortgages and banking. She lives in North Carolina ...
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When algorithms replace gut feelings in trading
Jim Simons wasn’t a finance guy — he was a mathematician and Cold War codebreaker. Instead of hiring traders, he hired scientists who knew nothing about markets. His hedge fund, Medallion, used ...
The crypto market operates 24/7 and creates opportunities for traders to make a profit. However, it is very volatile, and human traders can find it difficult to monitor and navigate continuously. AI ...
During my visit to Japan last month, meetings with financial institutions and technology labs in Tokyo revealed a trend quietly gaining momentum: swarm finance. I came to these conversations not as a ...
The flap of a butterfly’s wings in South America can famously lead to a tornado in the Caribbean. The so-called butterfly effect—or “sensitive dependence on initial conditions,” as it is more ...
Every era of financial markets has been defined by who provides liquidity. Floor traders gave way to electronic market makers. Electronic market makers gave way to HFT firms. By the end of 2026, we'll ...
Today, those shouts have been replaced by quiet screens and lightning-fast computers. The evolution of stock trading has turned what was once a noisy, human-driven process into a digital network ...
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