It's too late to buy Ripple. The pump has ended and a correction is waiting Now it is better to buy Ethereum or Bitcoin, they have fallen very well in price.
If Bitcoin does not go down to 5000$, then I think Ripple is hardly likely to go below 0.4$. So you can buy for long term now.
Basically XRP is a very good coin to invest long term as it satisfies the market demand. So investors can buy into XRP during periods of declining market to hold for a while, I believe it will bring very good profit.