The stock movement added more than $400 million to Mandalay's asking price.
"You have to watch everything more and there is no real reason for stock movements," she said.
Traders tend to discount stock movements on slow days because so few people are in the market.
He at least was obviously unconcerned about his stock movements.
And stock movement did not always have a direct relationship to sales reports.
The picks are based on analysis of stock movements compared with currency fluctuations since 1986.
The stock movement added more than $400 million to the price of the deal.
The deal would value Nextel at about $34 billion based on yesterday's stock movements.
And still others argue that stock movements are inherently unpredictable.
Some who are watching the stock movement offer two answers.