If you look at the sector, the stocks have been lagging since July, but that doesn't mean they can't pick up speed again, says Nancy Tengler, CEO of the investment company Laffer Tengler, to CNBC.
Cloud service company Salesforce and chip manufacturer Marvell both presented quarterly reports that exceeded expectations. They rose 11 and 23.2 percent, respectively.
Also, six of the seven major tech giants, known as the magnificent seven – Alphabet, Amazon, Apple, Microsoft, Nvidia, and Tesla – went more or less strongly plus.
Meta, the seventh, ended unchanged.
Record three times
At the close, the broad S&P 500 had risen 0.6 percent, Nasdaq's composite index 1.3 percent, and the Dow Jones industrial index 0.7 percent.
Thus, all three indices closed at new record levels. The Dow Jones industrial index ended at 45,014 points, for the first time above 45,000.
The S&P 500 and Nasdaq's composite index closed at a record for the third day in a row, and for the S&P 500, it was the 56th time just this year.
Blind to worry
S teve Sosnick at online broker Interactive Brokers notes that investors are completely ignoring disturbing moments such as the political unrest in South Korea and France.
Right now, the market is looking for excuses to rise, and there's really nothing that can counter that story, he says to news agency AFP.
A speech by Federal Reserve Chairman Jerome Powell on the state of the US economy also kept the market in good spirits, as did new labor market statistics.
Sportswear retailer Foot Locker had a tough day. After lowering its full-year forecast for sales and profit, the company fell 8.9 percent.