 Shares of Microbot Medical Inc. MBOT, 7.11 rocketed 67.3 toward a nine-month high on heavy volume in premarket trading Monday, after the pre-clinical medical device company announced an agreement with Stryker Corp. SYK, 1.59 to develop the first dedicated robotic procedural kits for use in certain neurovascular procedures. Trading volume ballooned to 9.6 million shares, compared with the full-day average of about 49,000 shares. 