Shares of Harman International (NYSE:

) are lower on the session by 6.64%, trading at $28.04. Overall call volume is now running at 11.52x the daily average, with 1% of all calls traded being purchases on the offer. 5,265 contracts have traded on the session so far. Harman International Industries, Incorporated is engaged in the developing, manufacturing and marketing of high-quality, high-fidelity audio products and electronic systems.