Stone gambling was an entertainment element that originated from novels and legends. It was often described as an adventure that involved buying and cutting gemstones to obtain wealth and profit.
Although stone gambling might not exist in real life, many novels and movies contained elements of stone gambling, which had become a very popular element in literature and entertainment.
Stone gambling usually involved buying jewelry and jade and then cutting it open to check its internal characteristics and quality. This kind of behavior could bring huge profits, but it could also lead to very high risks. Therefore, anyone who wanted to participate in this kind of behavior should fully understand the risks and possible outcomes and make careful decisions.
At the moment, there's no definite information about more Dr Stone manga. It could happen if there's enough demand and the creative team is up for it. We'll just have to wait and see.
It's hard to say for sure. The decision often depends on various factors like the popularity and sales of the original series, as well as the author's plans and the publisher's strategy.