Ayala Pharmaceuticals Inc (ADXS)

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"Tone and body language gives away a lot."

Exactly, which is why they may have decided not to do a CC at this point in time. If they are about to close an AXAL or HOT deal and were asked about it on a CC they might risk unintentionally signaling a deal is about to be announced. So better to not have the call, then announce any material development and have a call to specifically address it.