Goldman Sachs sees opportunities in small-cap stocks — even as the Russell 2000 finishes its worst week since early January. "I do think that you have to be very selective in small caps because things can go down with great velocity," he told CNBC's " Fast Money " on Thursday. "Within the Russell 2000, you have a lot of stuff that you probably don't want to own," he said. Even with the losing week, the Russell 2000 is up almost 2% for the year, as of Friday's market close. "Other financial conditions have eased a bit, which is also helpful for small caps.

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Persons: Goldman Sachs, Russell, Greg Tuorto, CNBC's, Tuorto Organizations: Core Equity ETF, Federal Signal Corp, SPX Technologies, Federal Reserve, Nvidia, Innovation Locations: Cava, Cava —