SIGL - Signal Advance Is Not The Signal January, 18 2021 01:41 AM Signal Advance Inc It is not the company that owns the Signal App. Signal Advance is just a paper company with minimal assets and nearly zero revenue. Market is far from perfect, and it was an important lesson to remember the value of research. Lastly, if you bought Signal, sell it as markets open. For further details see: Signal Advance Is Not The Signal