Most of the main US stock indices opened higher in the last week of October, amid anticipation of the more quarterly business reports.
The market is awaiting major earning reports in the coming days, especially in the tech sector, led by Apple, Microsoft, Alphabet and Amazon.
Tesla reported last week record revenues and profits in the third quarter, and Netflix reported better-than-expected financial results, while IBM's report was disappointing.
The market value of Tesla rose near the $1 trillion mark, after the rental car firm Hertz has reportedly ordered 100,000 electric vehicles from Tesla.
As for stocks, Dow Jones fell 0.1% or 16 points to 35,661 as of 13:39 GMT, and S&P 500 rose 0.1% or 1 point to 4,546, while Nasdaq rose 0.2% or 36 points to 15,126.