us stock index futures jumped on tuesday on news that russia was pulling back some troops from near the ukrainian border in signs of a deescalation in tensions between the two countries at 709 am et dow eminis were up 111 at 34854 sp 500 eminis were up 148 at 4459 while nasdaq 100 eminis were up 208 at 14550  tesla inc tslao up 35 premarket buzzelon musk discloses he owns fifth of tesla shares up  sea ltd sen up 37 premarket buzzark invest buys cos shares after record plunge on monday  arista networks inc  up 92 premarket buzzup as brokerages raise pts after q4 results  resonant inc resno up 2585 premarket buzzmore than triples on buyout by japans murata  cme group inc cmeo up 04 premarket buzzcredit suisse starts coverage on co with neutral rating  larimar therapeutics inc lrmro down 579 premarket buzzset to open at record low as fda maintains clinical hold on trial halliburton co haln down 25 premarket buzzoil stocks slide as crude prices drop from 7year high  yandex nv yndxo up 94 premarket buzzeyes 65 bln annual revenue in 2022 shares up