Ether Layer 2 total locked value rises to $8.74 billion, up 0.51% in 7 days

According to L2BEAT data, the current total locked position of Ether Layer 2 has rebounded to $8.74 billion, up 0.51% in 7 days. Among them, the top five locked positions are 

Arbitrum One ($5.75 billion, down 0.85% in 7 days) 
Optimism ($1.74 billion, up 2.81% on the 7th) 
dYdX ($340 million, down 1.91% on 7 days) 
zkSync Era∎ ($288.4 million, up 14.32% on the 7th) 
Loopring ($110 million, up 1.91% on 7 days).