The yen extended its towering rally on Friday and marched toward its best week against the dollar in nearly five months, as traders ramped up expectations that the end of Japan's ultra-low interest rates was closing in. The broad strength from the yen kept a lid on the dollar, which stayed on the defensive ahead of the closely-watched U.S. nonfarm payrolls report due later on Friday. Bank of Japan (BOJ) governor Kazuo Ueda said on Thursday the central bank had several options on which interest rates to target once it pulls short-term borrowing costs out of negative territory, and had on the same day met with Prime ... (full story)