Actually, there is no exactly which fashion shows are more likely to influence what is in the stores. They all influence.
Different fashion shows have a different style. The stores choose which they want to sell to customers.
And for customers, sometimes we influence others what to wear too.
Fashion is an industry. They also focused on the market and what customers like.
This year is 2018, but the four fashion weeks are preparing 2019 S/S fashion show.
No matter you are a fashion designer or a fashion lover who want to be trendy, but also should pay attention to the latest fashion show.
Because fashion is always forward and a step ahead.