Prime Medical Services
The Boring Portfolio purchased 400 shares of Prime Medical (NASDAQ:PMSI)
at an average price of $10.07 on March 8, 1996. The graph above will reflect
PMSI's performance in relation to Boring's purchase point.
On March 8, 1996, the seventh Boring trade was made, as 400 shares of Prime Medical Services, Inc. (NASDAQ: PMSI) were purchased for the Borefolio. PMSI's business is lithotripsy, a relatively recent treatment for kidney stones. Lithotripsy is an effective, noninvasive procedure in which carefully focused shock waves are used to break up large kidney stones into fragments small enough to be eliminated in the patient's normal urine flow. Approximately 200,000 lithotripsy treatments are performed annually in the US. The order was filled at $10 by K. Aufhauser & Co.
ACTION # STOCK PRICE COMS'N COST BASIS Buy 400 PMSI $10 $27.49 $4027.49
ACTION # STOCK PRICE COMS'N PROCEEDS GAIN Sold 400 PMSI $10 1/2 $23.00 $4,477.00 $449.51 Percentage gain on investment: 11.1% from 3/8/96 to 1/15/98