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Whereas TOC AUC varies between 0 and 1 — with an uninformative classifier yielding 0.5 — the alternative measures known as informedness, [citation needed] Certainty [12] and Gini coefficient (in the single parameterization or single system case) [citation needed] all have the advantage that 0 represents chance performance whilst 1 ...
Wall Street edged back from its all-time high on Friday, as U.S. stock indexes drifted following mixed profit reports from big companies. The Dow Jones Industrial Average dipped 165 points, or 0.4 ...
The Dow jumped 700 points and the Nasdaq gained more than 2% as investors cheered encouraging inflation data and a strong start to earnings season.
Here's what else happened today: Disney said it will appoint Bob Iger's successor as CEO by early 2026. Goldman Sachs said investors should prepare for a decade of muted returns in the stock market.
The duration of a stock is the average of the times until its cash flows are received, weighted by their present values. The most popular model of duration uses dividends as the cash flows. In vernacular, the duration of a stock is how long we need to receive dividends to be repaid the purchase price of the stock.
This means for example that if the S&P 500 closed the day before at 1150 (16:15 EST) and opens today at 1160 (09:30 EST), they will short the market expecting this "upgap" to close. A "downgap" would mean today opens at, for example, 1140, and the speculator buys the market at the open expecting the "downgap to close". The probability of this ...
At any point in time, any stock may be the best to buy, because stocks can fluctuate a lot over the short term. But the stocks that increase in value over time grow their sales and profits year ...
The Russell 3000 Index is a capitalization-weighted stock market index that seeks to be a benchmark of the entire U.S. stock market.It measures the performance of the 3,000 largest publicly held companies incorporated in America as measured by total market capitalization, and represents approximately 98% of the American public equity market.