Top trades before the closing bell

The "Halftime Report" traders delivered their trades for the second half of the day.

Stephen Weiss was looking at opportunities in biotech.

Josh Brown was buying Valero.

Trader disclosure: On March 25,2015, the following stocks and commodities mentioned or intended to be mentioned on CNBC's "Fast Money" were owned by the "Halftime Report" traders: PETE NAJARIAN: Long AMAT, AAPL, BABA, BAC, BMY,BP, CSX, DISCA, FOXA, GE, KKR, KO, LLY, MRK, PEP, PFE, SAP, he is long calls BK, CNX, COP, EBAY, EXXI, F, FCX, FL, GE, GM, GT, JD, KO, LYB, NEE, PBR, PEP,RAD, TEVA, TWTR, UAL, UFS, today he bought PBR calls, today he sold CIEN calls,KRFT calls. JOSH BROWN: Long AAPL, DE, DGRE, DIS, DNKN,FCX, FSLR, GBX, MBLY, SAM, SHAK, SPWR, TNET, TWTR, VWO, XLE. STEVE WEISS: Long AAL, AAPL, C, ESPR, HWAY,MDSO, NBIX, VXX.