How to read the orders Trend chart?

This is a cumulative chart. So if the orders are not continually going up it means it's no longer selling on that store.  Just because a product is no longer collecting orders does not necessarily mean its no longer selling, as the buyer that might be scaling this product could now be buying directly from the supplier through CSV orders or other direct methods.  Always check other factors (stores selling, when was it last added to a store,etc…) to confirm a product’s strength.