And just what is the PR supposed to announce? That it is taking longer than expected to complete the software? Everybody already knows that. Do you want them to give you a new date so that if they miss that then they have to put out another PR to say they are late again? Publishing PR's is not free.
Even if they were to come out with one, the pps wouldn't move much as they are still not a revenue generating company and the value of the company is largely based on the earnings per share and with no earnings the true value of the company is still the same, with or without a PR.
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