So-called Big Tech stocks with outsized weightings in the S&P 500 were rising sharply Wednesday, with gains led by Nvidia Corp. The Roundhill Magnificent Seven ETF, whose portfolio equally weights seven Big Tech stocks — Nvidia,

U.S. stocks on Wednesday were extending their post-inauguration rally to a second day as Wall Street welcomed President Donald Trump’s calmer-than-expected tone on tariffs and his artificial-intelligence initiative to expand tech infrastructure in the U.S.

Bets against communication services stocks fell in December compared to the end of November, with Charter Communications (CHTR) being the most shorted stock in the sector and Google-parent Alphabet (GOOG) taking the spot for the least shorted.

S&P 500 and Dow Jones continued to advance, boosted by strong earnings reports. President Trump announces major AI investment drive called Stargate. The Dow Jones has risen approximately 6% since January 13,

The current top five companies in the S 500 account for a greater chunk of the index than at any time over the last 60 years.

Artificial intelligence (AI) was a market-driving theme last year, with AI stocks helping the S&P 500, the Nasdaq, and the Dow Jones Industrial Average each soar in the double digits. Companies selling AI tools and services saw earnings climb -- and investors piled into these players.

Worried about the outlook for S&P 500 shares in the New Year? Buying value stocks like this tech giant is worth serious consideration. The post A top S&P 500 value share to consider as markets sell off!

If the Magnificent Seven continues to produce outsize returns, the Mega Cap Growth ETF will probably beat the S&P 500 again in 2025. But the more stock prices outpace earnings growth, the more extended valuations become, which can pressure companies to deliver incredible results.

Of the S&P 500 companies that have reported earnings so far, 79% have beat estimates, according to FactSet data.

The S&P 500 added 0.9% on Tuesday, Jan. 21, the first day of trading following President Donald Trump's return to the White House.

The S&P 500 and Nasdaq have both felt pressure as shares of major tech companies came under pressure Monday. Investors continue to keep a close eye on rising Treasury yields, which heighten worries about valuations, particularly for some of the market's most highly valued names.

Matteo Colombo/DigitalVision via Getty Images With the fourth quarter earnings season underway, energy (XLE), financial (XLF) and industrial (XLI)