By Lewis Krauskopf

NEW YORK (Reuters) -This week’s wobble in shares connected to artificial intelligence is a stark reminder that the U.S. stock market is ever more reliant on the technology sector to drive it higher.

The S&P 500 and Nasdaq Composite on Tuesday suffered their biggest one-day drops in nearly a month, weighed down by a sharp tech decline. The indexes recovered somewhat on Wednesday, while the tech group extended losses slightly.

Fueled by a long period of strong performance, tech is by far the biggest sector in the S&P 500, accounting for a roughly 36% weight in the benchmark index – a higher level than during the dot-com bubble era 25 years ago, according to Howard Silverblatt, senior index analyst at S&P Dow Jones Indices.

Adding in megacap companies that are not class

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