State Street is reiterating its bullish stance on the artificial intelligence trade despite the Nasdaq's worst week since April .

Chief Business Officer Anna Paglia said momentum stocks still have legs because investors are reluctant to step away from the growth story that's driven gains all year.

"How would you not want to participate in the growth of AI technology? Everybody has been waiting for the cycle to change from growth to value. I don't think it's happening just yet because of the momentum," Paglia told CNBC's " ETF Edge " earlier this week. "I don't think the rebalancing trade is going to happen until we see a signal from the market indicating a slowdown in these big trends."

Paglia, who has spent 25 years in the exchange-traded funds industry, sees a higher likelihood th

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