Discover how to accurately calculate beta in Excel, understand its importance in finance, and ensure consistency by choosing the correct time periods for data analysis.

Though the principle is not violated, a new way of fudging its restrictions could lead to improvements in ultra-precise ...

Showers continue overnight Staying breezy through Wednesday First freeze of the season possible this week EXTENDED FORECAST: Temperatures remain cool with lows possibly dropping into the middle/lower ...

Risk is Average compared to funds in the same category according to Morningstar. These statistics are calculated from a comparison of a fund's excess returns and its benchmark's excess returns. They ...

Mostly sunny skies this afternoon will start to give way to clouds by this evening. A few showers area possible tonight west of Tulsa Rain and thunderstorms likely by Friday Morning and lingering into ...

Overnight gusty showers continue to move east this morning, leaving behind clouds, damp and wet roads for the morning commute. Temperatures are cool in the mid to upper-60s this morning. Clouds and ...

Becoming chilly overnight with clear skies and a decrease in winds Seasonably cool on Tuesday with sunshine and a blustery NW breeze Pleasant fall-like temperatures stick around thru midweek ...

The sunshine returns tomorrow with slightly milder temperatures in the mid-60s and lighter winds. Another frontal system will bring some much-needed rain to the city after 10 p.m. Tuesday night ...