1- Ponzy schemes dont pump and dump, they keep on pumping thil the colapse.

2- there are now 2 new entries of 500 ltc eatch in that wallet

3- the whitdrawls from that wallet have happned before if you see the june month

4- the fall off the price its because people wo have ltc think tha its a pump and dum, so they sell, or switch to BTC