Narrated Jabir bin `Abdullah:
A caravan of merchandise arrived at Medina on a Friday while we were with the Prophet (s.a.w.a.) All the people left (the Prophet (s.a.w.a.) and headed for the caravan) except twelve persons. Then Allah revealed:-- 'But when they see some bargain or some amusement they disperse headlong to it.' ..(62.11)
Jabir b. Abdullah reported that the Apostle (s.a.w.a.) was delivering the sermon on Friday in a standing posture when a caravan from Syria arrived. The people flocked towards it till no one was left (with the Holy Prophet) but twelve persons, and it was on this occasion that this verse in regard to Jumu'a was revealed." And when they see merchandise or sport. they break away to it and leave thee standing."
This hadith has been narrated by Husain with the same chain of transmitters but with this alteration that he did not make mention of the standing position.