The "Halftime Report" crew looked at the sectors trading under the radar.
Stephanie Link said auto parts area is positioned well going into earnings — even though the stocks fell out of favor earlier this year.
Jon Najarian told investors to keep an eye on solar stocks.
Trader disclosure: On October 6, 2015, the following stocks and commodities mentioned or intended to be mentioned on CNBC's "Halftime Report" were owned by the "Halftime Report" traders: Joe Terranova is long VRTS. Stephanie Link is long AAPL, BAC, BRCM, CHKP, CRM, DAL, DG, DLPH, EL, EXP, GILD, GOOG, GOOGL, HPQ, INTC, JPM, LEA, LLY, LOW, LPX, LULU, MAT, MCD, MS, PRU, RHT, SBUX, SLB, SWK, UNH, V, VFC, WFC. Pete Najarian is long AAPL, AMAT, BAC, BMY, BP, CSX, DIS, DISCA, DKS, FOXA, GE, KKR, KO, MRK, PEP, PFE, PHM he is long calls AA, ABX, BEE, BMY, COP, DAL, ETFC, F, FL, GPRO, LM, LUK, MPEL, MRK, PFE, SWFT, TNK, UAL, XLF, XOM, ZIOP, he is long puts EWW, FCX, MRO, X. Jon Najarian is long BABA, FTR, NBL, PFE, PG, PPG, RAI, SCP, TEVA, WBA, ZSPH, ZTS he is long calls AAL, ABX, ADXS, BAX, BBY, BMY, F, FEYE, FL, GE, HLT, HZNP, ISIL, LUK, MAR, MCK, MDLZ, MU, NBL, NKE, PBR, PFE, PPG, QCOM, RAI, SLV, SWFT, TAP, YHOO.