How do leading price bots work on low-liquid instruments?

Question

Fintech

Good evening, I have recently entered the stock market and I often see a situation where two limit orders with the same or similar prices go above and below the main price. Basically, I saw this on low-liquid assets. There is a feeling that the bot is trying to move the price chart higher or lower, this is especially noticeable when the order book is almost empty. How it works? Where can you read more?