Four trades to go before the closing bell

Top trades for the 2nd half: Dunkin, HSBC & more

The "Halftime Report" closed the show with their final trades.

Pete Najarian was watching Biogen.

Jon Najarian saw strong activity in HSBC.

Josh Brown saw future upside in Dunkin' Brands.

Joe Terranova highlighted Cabot Oil & Gas.

Trader disclosure: On April 23, 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, LOCO, MBLY, MRK, PEP,PFE, he is long calls AAPL, BK, DAL, EBAY, EEM, F, FB, FL, GE, GS, HSBC, HZNP,IMAX, JBLU, KO, MAC, MYL, NEE, NTAP, OC, PBR, PFE, RAD, SYY, TEVA, TSX, UA,UAL, VZ, XLF, XOM, ZIOP, today he sold EBAY calls, today he bought HSBC calls.JON NAJARIAN Long ABT, ADBE,ADP, ADT, AN, ATVI, BBY, BSX, CIT, EQT, EVEP, EXXI, FEYE, GE, HSBC, HUN, HZNP,IMAX, MCD, MDRX, MNST, MRVL, MW, NEE, NRG, OAS, PG, POST, RHT, SCTY, SIMO,SIRI, SKX, SOL, SYK, TEVA, TTWO, TWX, WMB, XLI, XPO, ZIOP, he is long callsAKS, APD, BABA, BBY, CIT, EQT, EVEP, EWJ, FB, GE, GRPN, IDTI, IMAX, MCD, MDRX,MET, MNST, MYL, NTAP, PG, PPC, PRU, RAD, SAP, SIMO, SKX, SNDK, TAP, TWX, XPO,ZIOP, he is long puts TLT, today he bought HSBC, today he sold EBAY, EBAYcalls, QCOM, QCOM calls. JOSH BROWN Long AAPL, CME, DE, DGRE, DIS, DNKN, FCX,FSLR, GBX, MBLY, SAM, SHAK, SPWR, TNET, TWTR, VWO, XLE, XON. JOE TERRANOVA Long Crude Oil Futures, VRTS.