Hindsight Market

The Graveyard › 1980

Technicon Corp

TCN · Unknown · NYSE · in our data February 27, 1970 to May 2, 1980 (10.2 years)

The first trading day in our data for Technicon Corp is February 27, 1970 (its first day in our records, which may be later than its listing and is not its founding). At its peak, on March 4, 1970, the market valued it at $1.1 billion. By the end it had fallen hard: the last trade was $17.75, -66.9% from its split-adjusted high. Our data does not say why it stopped trading.

1970-021980-05
Peak market value$1.1 billionMarch 4, 1970
Highest split-adjusted share price$53.63March 4, 1970
Last share price$17.75May 2, 1980
From its split-adjusted high to the end-66.9%
Return over the days in our data-65.5%with dividends, before the last trade
Worst single day-16.6%November 9, 1971

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 1970.

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Also gone in 1980: Unknown