Quote from Steve Tvardek:
Liquidity Replenishment Points, go to the NYSE website and you can read up on them.
Quote from eusdaiki:
the good thing about LRP is that they'll only come into effect in very fast markets, it has to be a fast market to hit the LRP since it refreshes every 30 seconds, but if they are hit and the market goes to full auction all electronic traders are toast...