"Halftime Report" trader Joe Terranova tackled energy and earnings in trades for the second half of the day.

He was bullish on Haliburton, an energy name trading near 52-week lows.

Trader disclosure: On July 21, 2015, the following stocks and commodities mentioned or intended to be mentioned on CNBC's "Halftime Report" were owned by the "Halftime Report" traders: Pete Najarian is long AMAT, AAPL, BAC, BMY, BP, CSX, DISCA, DKS, FOXA, GE, KKR, KO, LLY, MRK, PEP, PFE, he is long calls AAPL, ABX, AGNC, AMKR, BAC, C, CRM, CY, DAL, ETFC, LC, LULU, LVS, MU, OC, PNR, RF, UAL, USB, VZ, XLF, ZIOP, he is long puts OAS, RIG. Today he bought AAPL calls, MU calls, and BAC calls. Jon Najarian is long AEP, BKD, CUDA GE, HOG, PG, XLE he is long calls A, AAL, ADSK, ARG, CAH, CMCSA, CTXS, CVC, DD, DHI, EXPR, FB, GE, JPM, KATE, KSU, LVLT, LVS, MRVL, NUAN, ORCL, PG, PII, PRU, SNDK, SO, T, TWTR, TXT, WMT, ZIOP, he is long puts MTW, OAS, RIG, VALE. Today he bought MTW puts and OAS puts. Josh Brown is long AAPL, DE, DNKN, EBAY, FSLR, JMBA, SAM, SHAK, SPWR, TNET, TWTR, XLE, XON. Joe Terranova is long VRTS.