overdone or underdone? It was underdone when WOR was compared to...

overdone or underdone?
It was underdone when WOR was compared to SGN.
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SGN,
SGN profit down less 10%,
1st day reaction, down 23%
2nd day reaction, down 5%
3rd day reaction, down 8%
guess SP would stay <$0.80 for long time
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WOR,
1st day reaction, down 13%
plenty room down risk
yesterday down 13%, not only because the result missed, also expected the future would not be so bright, bearish oil sector, iron ore and other mining sectors.
Margin would be reduced
Projects would be reduced
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my view, it was UNDERDONE (1st day reaction, down 13%)