The 10yr TSY yield initially spiked higher after jobless claims data...however selling slowed as yields bounced at 3.21%.Rate sheet influential MBS coupons are benefiting from the bounce that occurred in benchmarks. The FN 4.0 is currently +0-05 at 99-28 yielding 4.0196%. The FN 4.5 is currently +0-02 at 101-31 yielding 4.2598%. The secondary market current coupon is 4.044%. Current coupon yield spreads are slightly tighter vs. benchmarks....