Shares of Varian Medical Systems, Inc. (NYSE:

) are higher on the session by 0.50%, trading at $69.95. Overall put volume is now running at 4.56x the daily average, with 39% of all puts traded being purchases on the offer. 1,261 contracts have traded on the session so far. Varian Medical Systems, Inc. is engaged in he design, manufacture, sale and service of equipment and software products for treating cancer with radiotherapy, stereotactic radiosurgery and brachytherapy.