Four trades to go before the closing bell By: CNBC.com News May 20, 2015 at 14:32 PM EDT The "Halftime Report" traders give their trades for the second half. Read More >> Related Stocks: Analog Devices CBS Corp Delta Air Lines HSBC HOLDING PLC 8.125 ERPETUAL CAPITAL SECURITIES Imax Corp International Business Machines Nxp Semiconductors Staples Texas Instruments