It was, I wouldnt call 75 cents in less than 10 minutes slow growth, it now is hovering around 3.60, which is still over 60 cents more than it was earlier today. Watching it rapidly move up is different than checking it periodicly throughout the day.
LTC was specifically designed to be the silver to bitcoins gold ..
Not that this means anything to relationship of BTC/LTC prices but:
1 Ounce of gold (As of now) ~ $1,442
1 Ounce of silver (As of now) ~ $23.24