Hi pin,
It's not the pending but the actual 24 hr balance that went down. I"ve never see nthat happen before.
1Cy73piguLZ6uvqdAsffTfgR5FjNQKMGUx
Balance is blue line, and it goes only up. PEnding can fluctuate because of actual prices at exchanges, which are fetched frequently. Check you coins set and their prices during last 24h.