Nvidia's ascent into one of the world's biggest companies was as fast as it was dramatic. The company's startling rise has sparked new ETFs to launch and propelled others to record heights. Nvidia's dominance is also changing indexes and weightings, which can have a dramatic impact on investors—especially when a rebalance gets a little wild.

On this episode of Trillions, Eric Balchunas and Joel Weber speak with Athanasios Psarofagis of Bloomberg Intelligence and Emily Graffeo of Bloomberg News about the myriad ways Nvidia is impacting the ETF universe. They also reveal which ETFs have outperformed without a boost from Nvidia.

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Single-stock ETFs seem like an oxymoron: An investing vehicle that usually contains an entire portfolio reduced to just a single company? But whatever skepticism existed when this type of ETF — which are either leveraged or inverse — first launched two years agoCHTK has abated. Traders are hooked on this type of ETF "hot sauce," even if it sounds a lot like gambling. Assets in single-stock ETFs have doubled in assets this year, to more than $5 billion. The most popular such ETF, GraniteShares 2x Long NVDA Daily ETF ($NVDL), takes Nvidia's performance — an incredible upward trajectory of late — and doubles it. (Its daily volume usually exceeds most blue-chip stocks.) You can also go short with the GraniteShares 2x NVDA Daily ETF ($NVD).

On this episode of Trillions, Eric Balchunas and Joel Weber explore single-stock ETFs with Will Rhind, the founder and CEO of GraniteShares, which currently has about a dozen such offerings. They discuss how the ETFs work, who uses them, what the risks are, why enthusiasm for a given stock is so important, and where this interesting new category — and the "Vanguard-free zone" — could go from here.

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So far, this has been a banner year for exchange-traded funds. The S&P 500 is at record highs, inflows keep soaring and investors are taking more risk. BlackRock’s Bitcoin offering even became the most successful ETF launch ever.

On this episode, Eric Balchunas and Joel Weber discuss the most noteworthy themes and trends of the past six months with Todd Rosenbluth and Cinthia Murphy of VettaFi. They review what the inflows reveal, how various sectors are performing and which products and issuers have been the biggest winners and losers. They also talk about what to watch for in the second half of the year.

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