A company called United Airlines had a good quarter and made more money than people thought they would. Because of this, their stock price went up by 6% before the market opened today. There were also some other companies that saw their stock prices go up or down before the market opened because of different reasons. Read from source...

1. The title of the article is misleading and clickbaity: "Why United Airlines Shares Are Trading Higher By 6%; Here Are 20 Stocks Moving Premarket". It implies that there is a clear and direct causal relationship between United Airlines' performance and the other stocks mentioned, which is not necessarily true. A more accurate title would be something like "United Airlines Reports Strong Q4 Results; Other Stocks Also Move In Pre-Market Trading".