BUZZ-ARM: choppy morning as Apple-fueled rally fades

** Chip designer ARM Holdings (LSE: ARM.L - news) ' reverses course after brief stint as top FTSE 100 gainer on the day.

** Suggests early move largely a relief rally as in-line results and strong numbers from Apple (NasdaqGS: AAPL - news) help arrest recent stock weakness.

** Medium to longer-term concerns remain, particularly around royalty payments growth, remain.

** Q3 pretax profit for ARM rose 9 pct to £101.2 mln, broadly in line with expectations.

** ARM up as much as 2.2 pct in early, trades flat to slightly higher.

** Apple, which uses ARM designs in its iPhone 6, reported a better than expected 16 pct jump in iPhone sales on Monday.

** Broader semiconductor sector claws back more of last week's weakness, better on the day following healthy Q3 results from Texas Instruments Inc (NasdaqGS: TXN - news) .

** Dialog Semiconductor (Xetra: 927200 - news) & Infineon Technologies up 3 pct, with STMicroelectronics (Milan: STM.MI - news) 1.5 pct firmer. (RM (LSE: RM.L - news) :tricia.wright1.thomsonreuters.com@reuters.net, alasdair.pal.thomsonreuters.com@reuters.net)