Shares of KLAC surged 4.7% in early trading, leading the Nasdaq 100. Year to date, KLAC has gained 98.4%. On the flip side, CoStar Group is the worst performer, down 4.5% today and 9.0% for the year.
Arm Holdings is down 3.4% while Tesla is up 4.3% on the day. Market fluctuations continue for Nasdaq 100 components.

Read more at Nasdaq: Nasdaq 100 Movers: CSGP, KLAC