11.   When the mark gains versus European currencies, it often rises against the dollar too, as speculators seek multiple opportunities to buy the German currency.

12.   When the mark rises against European currencies it generally gains versus the dollar, too, as speculators seek all opportunities to buy marks.

13.   When the mark weakens against European currencies, it usually falls against the dollar too, as speculators seek all opportunities to sell the mark.

14.   When the mark gains versus European currencies it frequently rises against the dollar too, as speculators seek multiple opportunities to buy the German currency.

15.   When the mark rises against European currencies, it generally gains versus the dollar, too, as speculators seek all opportunities to buy marks.

16.   When those currencies rise versus the mark, the dollar frequently does too, as speculators seek multiple opportunities to sell the German currency.