The author and editors take ultimate responsibility for the content. In the short term, stocks go up and down because of the law of supply and demand. Billions of shares of stock are bought and ...

What makes a stock go up? Supply and demand. More buyers means a rise in stock prices. When there are more sellers, stock prices fall. Read on to learn more.

What goes up must come down? That’s the case for the stock market when a “buy first, ask questions later” rally sends the Nasdaq Composite to its second-largest gain on record. The tech-heavy index ...