After a seven-day 23.3 percent losing skid, Mosaic (MOS) shares touched new 52-week lows of $54.5 today. The stock is down $1.67 to $56.03 and the top options trade in MOS today is a 4,395-contract block of Oct 65 calls at 90 cents on ISE. A customer bought-to-open, according to ISEE data. 9,288 now traded against 19,214 in open interest. Oct 65 calls on Mosaic are now 16 percent OTM with a delta of .2 and 25 days of life remaining. The stock took a hit Friday on earnings guidance (see 9/23 color) and the company said today that it will hold its Annual Stockholder meeting on Oct 6.