Allah said in the Quran, meaning when you are done with the Salah of Juma spread out in the land and seek the preference of Allah and mention Allah, a lot. So you may succeed. This teaches us three things. The time immediately after Friday. salah is good for business.
To get business, one must spread out in the land. And three, if we mention Allah, we will succeed. This is why there is a tradition in the Muslim lands that vendors open their business immediately after the Friday Salah. many outside the masjid because there’s always a large assembly.
Islamic Principles Website 