Because foreign markets are so much smaller than the American capital market, international shifts of funds can create more volatility.
Another quick shift of positions created a new attack formation.
But a shift in city policy, some believe, has created dangerous conditions there.
This shift is also creating a concern that young people who already live in the Valley will be priced out of the market.
The shift of commerce to the Internet has created numerous technical headaches.
Such a shift, he said, "creates enormous vulnerability for the economy."
But the shift also created bitterness, particularly among students who felt their lives had been short-circuited by the previous practice.
Not surprisingly, the shift has created a lot of political confusion about whose interests are being protected.
That shift has created a market in which many stocks - not just the blue chips - are having banner years.
The third shift creates a situation in which the employee must sleep during the day.