With this being said, Wall Street's bull market is on the cusp of unwanted history. Arguably, the best valuation tool that allows for the clearest apples-to-apples comparisons is the S&P 500's Shiller price-to-earnings (P/E) ratio. You'll also find the Shiller P/E referred to as the cyclically adjusted P/E ratio ( CAPE ratio ).

U.S. markets are poised to open with gains Wednesday on a sustained strong showing from some big corporations during earnings season and an announcement from President Donald Trump on a $500 billion AI investment partnership.

Wall Street is pointing slightly lower in early trading but is on track to close the week with solid gains on healthy quarterly earnings reports from large U.S. corporations

U.S. stocks are edging back from their all-time high as they close out a second straight winning week. The S&P 500 fell 0.4% on Friday, a day after setting a

Netflix shot up 14.6% after it reported adding nearly 19 million subscribers during the holiday-season quarter and it topped sales and profit targets. The video streaming service’s expansion into live programming appears to be paying off as it wrapped up its best year ever with more than $40 billion in revenue.