For the third year in a row, the traditional year-end pop in stocks has gone missing, leaving investors to start 2026 with ...

Jiwon Ma is a fact checker and research analyst with a background in cybersecurity, international security, technology, and privacy policies. Before joining Investopedia, she consulted for a global ...

A barometer is a tool meteorologists use to measure atmospheric pressure, which is defined using millibars (mb). The layers of air in the Earth’s atmosphere has weight to it - which is pulled toward ...

For many in the tech arena, the iPhone has been, and likely always will be, the gold standard for handheld mobile devices. The smartphones were the very definition of "game changer" when they debuted ...

Barometers are devices that measure atmospheric pressure (also known as “air pressure” or “barometric pressure”). You can use these readings to predict the weather. For instance, high pressure ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Erika Rasure is globally-recognized as a ...