She reduced her estimates for 1996 to $1.05 a share from $1.44.
She also reduced estimates for fiscal 1989 to $2 a share, from $2.20.
They are reducing their estimates of sales and earnings but not by much.
Scientists keep reducing their estimates of dangerous lead levels in the blood.
But she has reduced her estimate to $1.85 billion, as a result of the write-down.
Merrill Lynch reduced its estimate for 1993 profits to $2 a share from $2.20.
By reducing its estimates of reserves, Shell has not necessarily lost any oil or gas.
Wells did acknowledge reducing his estimate of how many players use steroids.
Several analysts reduced their estimates of Lopid sales for 1989 and 1990.
The figures came after several analysts reduced their estimates of growth rates for radio ad revenue.