(Reuters) - Investors have piled into Nvidia-focused exchange-traded funds (ETFs) this year on the frenzy around AI, with inflows into a bullish fund that tracks the shares of the chip designer hitting an all-time high on Wednesday.

Net daily inflows into the GraniteShares 2x Long NVDA Daily ETF hit a record of $197 million, according to LSEG Lipper data. The assets managed by the ETF have grown to $1.41 billion from $213.75 million at the start of the year.