For people who live in a place as sunny as metro Phoenix, the Ultraviolet Index is a crucial tool to help protect against dangerous levels of sun exposure. The UV Index measures the radiation that ...

But, are they staying safe in the sun? A great way to know how intense the sun will be is by using a variable called the UV Index. Some of the younger crowd may know of the UV Index as the part of ...

So what is UV and why could records be broken now? The UV Index (or UVI) is a standard international measure of ultraviolet radiation emitted by the Sun - which penetrates the Earth's atmosphere ...

CNN’s Fear & Greed Index is a way to gauge stock market movements and whether stocks are fairly priced. The index uses seven market indicators to help answer the question: What emotion is ...

S&P 500 index funds like VFIAX and SWPPX can be an easy and inexpensive way to round out most investment portfolios. Many, or all, of the products featured on this page are from our advertising ...

Stocks: Real-time U.S. stock quotes reflect trades reported through Nasdaq only; comprehensive quotes and volume reflect trading in all markets and are delayed at least 15 minutes. International ...

Even folks new to investing have probably heard someone mention index funds. But what are they and how do they work? This article explores index funds in detail to help you understand how they ...

Nerdy takeaways The Fidelity Zero Large Cap Index (FNILX) is one of the best index funds tracking the S&P 500. The cheapest major Nasdaq-100 index fund we track is the Invesco NASDAQ 100 ETF (QQQM).

Stocks: Real-time U.S. stock quotes reflect trades reported through Nasdaq only; comprehensive quotes and volume reflect trading in all markets and are delayed at least 15 minutes. International ...

UV phototubes are radiation-sensitive sensors that are used for monitoring UV air treatments, UV water treatments, and solar irradiance. Light sensors are general-purpose devices for measuring the ...

The sun's ultraviolet radiation can cause skin cancer and premature aging. Here's how the UV Index can help in sunny places ...