After stocks hit record levels this week, many analysts believe the market is nearing a top, setting the stage for another pullback.

"Technically, we're over-bought, and it looks like the market is due for some sort of correction," said Sean Clark, chief investment officer for Clark Capital Management.  "However, if it does correct, I think that would represent a great buying opportunity because we believe the market is going to move higher throughout the rest of this year."