Shares of Southwest Airlines Co. LUV slipped 2.24% to $31.85 Tuesday, on what proved to be an all-around favorable trading session for the stock market, with the S&P 500 Index SPX rising 0.92% to 6,067.70 and the Dow Jones Industrial Average DJIA rising 0.31% to 44,850.35. The stock's fall snapped a three-day winning streak.

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Wall Street was mixed in premarket trading on Thursday as major U.S. airlines stumbled and health insurance companies soared. Futures for the S&P 500 lost 0.1% before the opening bell, while futures for the Dow Jones Industrial Average ticked up 0.

Real-time index price for Dow Jones Industrials Average (DOWI), along with buy or sell indicators, analysis, charts, historical performance, news and more

The SPDR Dow Jones Industrial Average ETF Trust (DIA) is one of the largest and most liquid U.S. equity ETFs available to investors.

Shares of Southwest Airlines Co. LUV shed 4.24% to $31.86 Wednesday, on what proved to be an all-around favorable trading session for the stock market, with the S&P 500 Index SPX rising 0.61% to 6,086.

US equity markets were trending upwards before Thursday's opening bell as traders digest the latest financial results of some of the biggest tech companies and await more corporate earnings. Standard & Poor's 500 increased 0.