The purchase price is what an investor pays for a security. It is the main component in calculating the returns achieved by the investor.

Elysse Bell is a finance and business writer for Investopedia. She writes about small business, personal finance, technology, and more. Erika Rasure is globally-recognized as a leading consumer ...

The U.S. stock market has hit a rough patch, yet the S&P 500 index still hasn’t seen a major slump since staging a massive rebound from its April low. “The S&P 500 SPX has not seen so much as a 5% ...

Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter. How many iterations of a day can we watch a character experience without it getting boring? In the right hands, ...

Gift 5 articles to anyone you choose each month when you subscribe. Superannuation funds have asked the government for flexibility in estimating how much tax will be owed by individual members with ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

Video - Frequency of Handicap Index® Revisions (Daily Updates) Video - Maximum Handicap Index Video - Post Your Score The Day You Play (Why It Matters) Video - The importance of the Score ...

GameSpot may get a commission from retail offers. Lies of P's first expansion, Overture releases this summer, and the new content is looking great. GameSpot's Tamoor Hussain played a demo of the ...

Calculate annual % change by dividing start by end value, raising to inverse years, minus one, times 100. Ex: a drop from $15M to $10M over 2 years is a 18.4% average annual decline. This calculation ...

“REPO is fun. At first I thought I didn’t like it since I felt so slow (and voice chat range is too small!) But everyone in the group working together to move a grand piano through a cramped old ...

Corrections & Clarifications: An earlier version of this column misidentified Rep. Beverly Pingerelli's political party. Arizona’s legislators are now one giant step closer to having to follow Arizona ...