If you bought all of your stock in a single transaction, it's easy to determine how your investment is performing. Simply look at the current share price and compare it to the price you paid. However, ...

When it comes time for businesses to account for their inventory, businesses may use the following three primary accounting methodologies: FIFO stands for "first in, first out," where older inventory ...

Claire Boyte-White is the lead writer for NapkinFinance.com, co-author of I Am Net Worthy, and an Investopedia contributor. Claire's expertise lies in corporate finance & accounting, mutual funds, ...

Weighted average is a powerful tool for an investor. It can be used to evaluate the performance of a portfolio. It can help us better understand how the broader market moves. Even more important, it ...

How a company values its inventory affects its income statement and bottom line. "Average cost" and "last in, first out," or LIFO, are two of the most common methods for valuing inventory. Both rely ...