Hadith #3436 (Sunan Abi Dawud)
Book: Wages (Kitab Al-Ijarah)
Narrator(s): Abu Hurairah, al-Rabi' bin Nafi' Abu Tawba al-Halbi الربيع بن نافع أبو توبة الحلبي, Ayoub al-Sakhtiyani أيوب السختياني, Ibn Sirin محمد بن سيرين الأنصاري, Ubaidullah bin 'Amr bin Abi Walid عبيد الله بن عمرو بن أبي الوليد
Grade: Sahih

The Messenger of Allah (ﷺ) as saying: None of you must buy in opposition to one another ; and do not go out to meet the merchandise, (but one must wait) till it is brought down to the market.

Source: https://parallelquran.com/hadith/sunan-abi-dawud-3436/