Brazil’s sharp oil-production swings are colliding with OPEC’s insistence that the crude market will remain broadly balanced next year, underscoring how unpredictable supply from major non-OPEC ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Eric's career includes extensive work in both public and corporate accounting with ...

Christina Majaski writes and edits finance, credit cards, and travel content. She has 14+ years of experience with print and digital publications. Vikki Velasquez is a researcher and writer who has ...

Oliguria occurs when you urinate less than 400 mL of urine per day. It’s usually a symptom of kidney problems, and may be caused by dehydration, injury, or some medications. Most people without ...