A few days ago Cryptsy posted a message on the Colossuscoin markets stating that "This market is under consideration for deactivation due to volume". Cryptsy holds approximately 40% or more of all Colossuscoin on their exchange so as a direct result of their notice, price has dropped more than 50%
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I am active on the forums daily and have Bit John on Skype as well as several other members of the Development Team. Cryptsy had the means and opportunity to inform us prior to the message they put up but failed to do so.
So, to play devil's advocate, they should have given you private notice of information sure to cause a significant change in the value of the coin?
Which would allow you to unload coins at the higher price.
That would be insider dealing in any regulated environment.