Wtf is he doing? – Memecoin weird things

Hi guys I was tracking a wallet to understand how he trade but I see that he buy and sell in a less than a minute, do you know wtf is he doing?

2:59 🟢 BUY DOG on RAYDIUM 🔹 Copiatore1 4YEkdxshyo574J4nSca5mjZs7AZNcquY42u3rWLkzGcu

🔹Copiatore1 swapped 4.95 SOL for 470,187.96 ($779.02) DOG @$0.00165

🔹Copiatore1: DOG: +470,187.96 ($779.02)

🔗 DOG | MC: $1.66M | Seen: 18m: BE | DS | DT | PH | Bullx G7BJ6A5rL7Mqn82C6CQKhHW2iRGgsKDiqkFVXpH5pump

3:01

🔴 SELL DOG on RAYDIUM 🔹 Copiatore1 4YEkdxshyo574J4nSca5mjZs7AZNcquY42u3rWLkzGcu

🔹Copiatore1 swapped 470,187.96 ($871.55) DOG for 5.53 SOL @$0.00185

🔹Copiatore1: DOG: -470,187.96 ($-871.55)

🔗 DOG | MC: $1.85M | Seen: 20m: BE | DS | DT | PH | Bullx G7BJ6A5rL7Mqn82C6CQKhHW2iRGgsKDiqkFVXpH5pump