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Incidentally, while BTC is up 14+% in the last 24 hours, BCH is up over 27% in the same time frame.
Bitcoin's rising tide lifts all altcoins, which tend to go up higher because they are considered to be more risky investments. This has always been the case. BCH and SV aren't rising on their own merits. I suspect they will continue to lose positions in the CMC ranking because their primary marketing tactic continues to be confusing newcomers into thinking they are "the real bitcoin." Its been a failure for them so far and there's no reason to believe that will change in the future.
Put yourself in the shoes of the average business owner who is still skeptical of cryptocurrency and is only beginning to consider adopting BTC for their business... Then along comes this chatter about how BCH and SV are better, and they look into it, only to discover that now they have to learn how to use and install 2 more wallets that aren't compatible with BTC, in the hopes that they will have customers who want to pay in BCH and SV. Largely, nobody still wants to pay in BTC, so there's little chance they're going through the hassle of bothering with coins that are not _actually_ bitcoin.
stagnant BTC prices bitmain doesn't have the profits to prop up bcash, so bcash was being priced to go bye bye into the night. Unfortunately BTC going up gives bitmain fatter margins to continue keeping its pet project afloat, so bcash shorts got burned this time around. Gambling on shitcoins being leveraged BTC will burn a lot of "traders".