If there is one concern I do have though, it's the concentration risk of the market. According to Bank of America, Alphabet, Amazon, Apple, Microsoft and Nvidia account for 27% of the entire S&P ...

A collection of papers in this new and developing area of research, this book focuses on the quantitative side of model validation and covers model validation in credit, market, and operational risk.

That adds up to roughly 36% of the broader market. This is also after a 4% or so sell-off in the last few weeks of December. The concentration in the Fateful Eight could make your S&P 500 position ...

In 1990, economists won a Nobel Prize for identifying the risk of having an overly correlated portfolio. However, in 2024 the ...

Meanwhile, cloud and hardware markets are also highly concentrated. Market concentration increases the risk that problems with one provider could cause significant disruption. From model ...

Concentration risk, or heavy concentration, has not been a good forward indicator over the last 40 or 50 years based on the data that we've seen." "It's something to keep an eye on [as] it maybe ...

However, knowing that business owners are particularly prone to concentration risk in their daily lives means we must take special care in helping to assemble an investment portfolio that ...

Yet, the company disclosed that most of the business comes from three customers, with one representing over 66% of sales, a level of extreme concentration risk. Discover top-rated stocks from ...