Use "filter by 24h volume"!

Spike in price on one market can send a small coins (with a very small trading volume) substantially up or down in the list. If someone made an 0.01 XYZ coin purchase at 0.001 BTC instead of 0.0001, that will causing a temporary spike 10x in the "value".

For example today's ETNX spikes : https://www.coingecko.com/en/coins/electronero-pulse