Hello experts

I have invested 3000 USDT at these four coins.

$DOT

cost: 5.7$ Capital: 1000$

$ARB

cost: 0.97$ Capital: 1000$

$TIA

cost: 6.5$ Capital: 750$

$FIL

cost: 6.13 Capital: 250$

Only profit generated by DOT but it covered by the others losses. Should I hold or sell at loss?