Concentrated stock holdings can pose a high risk to your portfolio. Discover strategies to diversify and manage your investments efficiently for better safety and growth.

Stock and bond markets will close for the first time since New Year's Day on Monday, Jan. 19, in observance of Martin Luther King Jr. Day, which commemorates the birth of the civil rights rights ...

Discover methods for accessing company earnings reports and earnings calls. Use the SEC's EDGAR system and Nasdaq to stay informed about financial performance.

Kara Greenberg is a senior news editor for Investopedia, where she does work writing, editing, and assigning daily markets and investing news. Prior to joining Investopedia, Kara was a researcher and ...

Costco's stock was rising Thursday, lifted as investors cheered the warehouse chain's December sales and comps. That had the shares around levels last seen in about a month. Wall Street is bullish, ...