I think the answer is increase an increase in demand for the stocks of similar companies. If all similar stocks would increase, the effect would also increase the stock price of a company. This is could be in consideration of sudden changes of factors in the market that gave basis for price increases. This might have created a standard of near prices for similar stocks.
Napoleon was exiled to Elba, and Louis Stanislas Xavier (AKA <span>Louis XVIII) became king.</span>
Dezvoltarea<span> industrială a SUA a debutat la mijlocul secolului al XIX-lea prin aplicarea ... Descoperirile din domeniul științific au impulsionat apariția unor </span>tehnici și<span> ... a avut ca efect creșterea producției, </span>dezvoltarea<span> orașelor </span>și<span> a </span><span>științei</span>
