Altcoins pumped had low volume. It's made by the bot of brokers (binance, bittrex, ...). It makes traders forget the danger and jump into altcoins. You should think carefully before jump in an altcoin. Because the risk is larger than the reward.
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For BTC, buy BTC when BTC downward to 62xx - 615x, in short-term.
Strong support zones for BTC at 6300 and 6150.
In mid-term, BTC was close D1 candle above 6280 at 01 July. So, Buy in at 62xx - 615x and DCA at 59xx (if have). Hold in some weeks and wait for break strong resistance at 6700 zones. If BTC goes over 6700 zones, we could see 7000-7200 zones.
Remember, stop loss point for mid-term at 5790.