Ultra Clean ( UCTT), a Menlo Park, Calif., semiconductor firm, lost 12.1% to $13.55 after its third-quarter profit dropped 36% from last year to 16 cents a share, or $3.5 million -- 9 cents shy of analysts' targets. Revenue, at $95.5 million, was also lower than expected. Also slumping on below-par financials was IHOP ( IHP). The Glendale, Calif., pancake purveyor said third-quarter income totaled 60 cents a share, excluding items, on $91.4 million in revenue. Analysts were looking for 68 cents a share on revenue of $93.2 million. Shares were off 3.9% to $61.04.