Those who bought BTC at 28K-32K$ are now in big profit. They took entry at right time. The new monthly candle will start tomorrow so I think we should not do any trade and wait until tomorrow if BTC continues going up then that will be a great time to buy and hold altcoins as well as Bitcoin for recovering our losses.
It's good to assess and observe instead of rushing things out, though if you feel that the market will continue to move stronger buying those good alts together with Bitcoin is good.
As long as you really anticipates that there's something good to follow up this ongoing rise, taking your step placing some investment.
Just make sure that you are willing to spare and wait in case that it won't go according to your targets.