Hindsight Market

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American Science Engineering

ASEI · Instruments & Medical Devices · NASDAQ · in our data December 14, 1972 to September 9, 2016 (43.7 years)

Our price history begins on December 14, 1972, and American Science Engineering was already trading then; how long before that, our data does not say. At its peak, on February 25, 2011, the market valued it at $859 million. It left the market when it was bought or merged, last trading at $37.05, -52.3% from its split-adjusted high. Holders got whatever the deal paid, which is not in our price data.

1972-122016-09
Peak market value$859 millionFebruary 25, 2011
Highest split-adjusted share price$77.67February 25, 2011
Last share price$37.05September 9, 2016
From its split-adjusted high to the end-52.3%
Return over the days in our data+871.9%with dividends, before the last trade
Worst single day-32.3%June 17, 1993

Share prices are adjusted for splits and other share changes, so the high and the last price compare like for like; the peak market value is as it was on the day. The return covers the trading days in our data only: it does not include what holders received, or lost, after the last trade (a merger payout, a bankruptcy), and it does not reach back before 1972. How these numbers are made · Report a data issue.

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Also gone in 2016: Instruments & Medical Devices