I did a rebalance on a eurc/usdc pool and the value decreased by $15,00. There is no dust and the values in the transaction hash (0x440e4d5e6265c57fe65756b38b553f8fb6f6a98e95840c3c93003cc39fcea25a) are very weird. It swaped WETH, CBBTC and EURC (a lot of times).