The decision is what the investors are waiting, it's a good gamble for them, either the price will go down significantly or on the opposite direction. For smart investors, it's not worst taking the risk especially that the market is huge and they have a lot of options in terms of coins or project to support.
investing always has a risk. But when a market like currently buys ripple there is also a huge risk of the correction that will occur when bitcoin is no longer able to go above it. ripple has proven to us that they also have a hefty market cap. many investors are still loyal to this asset.