if bitcoin continues going up even if it becomes slower than the previous 2-3 days, then altcoin prices will continue declining and go lower than this and no matter how much the altcoin owners and pumpers try they can not reverse it unless bitcoin stops rising or slows down for a while becoming stable at $720
This is actually expected, as bitcoin price being more expensive, altcoin price to bitcoin will go down unless the altcoin have some good news or being pump hard by pump team. Altcoin with the latest hype / development the moment bitcoin price is uptrending can go with the uptrend price of bitcoin but those that have no good news or whatsoever will be in the red.