Four trades to go before the closing bell

The "Halftime Report" traders revealed their final trades.

Stephen Weiss was a buyer of OA.

Josh Brown was a buyer of TWTR.

Jon Najarian was a buyer of WBA.

Pete Najarian was a buyer of WMB.

Trader disclosure: On February 11, 2015, the following stocks and commodities mentioned or intended to be mentioned on CNBC's "Fast Money" were owned by the "Halftime Report" trader: STEVE WEISS is long AAL, AAPL, C, HTZ, HWAY, MU, THC, VXX, he is long calls AAPL, today he bought AAPL and long calls AAPL. Josh Brown is long AAPL, DE, DGRE, DNKN, FCX, FSLR, GBX, MBLY, SPWR, TNET, TWTR, VWO, XLE. Jon Najarian is long ABT, ADP,AN, ATVI, AUY, BRCM, CAR, DNKN, EOG, EXC, GT, HUN, IMAX, INFN, KBH, MW, NSAM,OKE, OLN, POST, RAD, RIG, SFUN, SIRI, SYK, TWTR, TWX, WBA, WMB, XLE, he is long calls BYD, he is long GNW puts, today he bought KBH, WBA. Pete Najarian is long AAPL, BABA, BAC, BMY, DB, JPM, KKR, KO, LLY, LOCO, MRK, PFE, he is long calls AAL, AAPL, BABA, COP, DAL, DIS, DNKN, EBAY, EWG, FCX, FOXA, GILD, GT, IAG, ISIL, MCD, MRVC, MS, OLN, PEP, RG, SPY, SYY, UAL, WMB, XLE, XLF, he is long puts BHP, today he bought long calls AAPL.