which altcoins are pumping today. However, I can suggest some popular altcoins that have been known to experience significant price movements in the past:

1. Ethereum (ETH) $ETH

2. Binance Coin (BNB)$BNB

3. Cardano (ADA)$ADA

4. Solana (SOL) #sol

5. Polkadot (DOT)#dot

6. Shiba Inu (SHIB)#shib

7. Dogecoin (DOGE)#doge

8. Tron (TRX)#trx

9. Stellar (XLM)#xlm

10. Chainlink (LINK)

Please note that the cryptocurrency market is highly volatile, and prices can fluctuate rapidly. It's essential to conduct thorough research, stay informed, and invest responsibly.

Remember, this is not investment advice, and it's crucial to do your own research and consider your risk