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Stock Indexes Finish Sharply Lower as Tech Stocks Plunge

3 days 5 hours ago
The S&P 500 Index ($SPX ) (SPY ) closed down by -1.09% on Friday, the Dow Jones Industrial Average ($DOWI ) (DIA ) closed down by -0.34%, and the Nasdaq 100 Index ($IUXX ) (QQQ ) closed down -2.50%. December E-mini S&P futures (ESZ26 ) fell -1.14%, and December E-mini...
Barchart

Stock Indexes Finish Sharply Lower as Tech Stocks Plunge

3 days 5 hours ago
The S&P 500 Index ($SPX ) (SPY ) closed down by -1.09% on Friday, the Dow Jones Industrial Average ($DOWI ) (DIA ) closed down by -0.34%, and the Nasdaq 100 Index ($IUXX ) (QQQ ) closed down -2.50%. December E-mini S&P futures (ESZ26 ) fell -1.14%, and December E-mini...
Barchart

Physicists prove a long-suspected quantum speed limit for thermalization

3 days 5 hours ago
Whether we are waiting for a car windshield to defrost in winter or a warm drink to cool down, how long it takes for an object to settle into a stable, even temperature within its environment (thermal equilibrium) depends on numerous factors. These can include surface area, the material properties of an object and airflow.