Abstract: The dynamic variation of the stock market plays a crucial role in assessing a country’s economic power and development. Modeling the chaotic fluctuations in stock prices aids investors and ...

Mattress brands save the best promos of the year for Black Friday. Find savings up to 65% off our favorite beds from Leesa, ...

While the Saatva Memory Foam Hybrid Mattress is comfortable for most sleep styles, lightweight side sleepers might prefer a ...

Eight Sleep — For their Pre-Black Friday Sale, Eight Sleep is offering up to $400 off the most technologically-advanced mattress available: the Pod 5 Ultra Mattress. Its internal heating and cooling ...

This mattress promises “buoyant, cooling comfort.” I’m a hot sleeper, and I tested the Saatva latex hybrid mattress the only ...