Russell 2000: how exposed is it to the Iran shock?

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Colgate-Palmolive (NYSE: CL) Delayed: 90.87 -0.59 (0.65%)
Previous Close $91.46    52 Week High $75.38 
Open $92.09    52 Week Low $61.40 
Day High $92.92    P/E 38.18 
Day Low $90.73    EPS $2.38 
Volume 4,099,474       

ISHARES RUSSELL 2000 GROWTH ETF (NYSE: IWO) Delayed: 390.28 +2.05 (0.53%)
Previous Close $388.23    52 Week High $152.37 
Open $392.59    52 Week Low $111.51 
Day High $393.64    P/E N/A 
Day Low $388.30    EPS $0.00 
Volume 1,221,574       

(NYSE: RSSL) Delayed: 118.23 +0.55 (0.47%)
Previous Close $117.68    52 Week High
Open $118.50    52 Week Low
Day High $118.58    P/E N/A 
Day Low $118.16    EPS
Volume 4,728