This article was first published on April 3, 1986.By Jerry NortonDebut-day is full of contradictionsConsidering the historic nature of yesterday’s share market trading, a strong rally might have seemed appropriate.Instead, the first session in the new unified stock exchange saw prices finish sharply down from Thursday’s close.But most brokers still described themselves as well satisfied with the performance, despite the Hang Seng index closing the morning-only trading session 22.67 points...