1 of the causes for the run-up, china saying they will lighten e tariffs in the new year. fox business network corresponded in new york looking at what s driving the holiday optimism. there s a lot of it. we are seeing a sea of green, hitting another round of record closes. you ve got investors that like the news that china would lower import tariffs on over 850 products from pharmaceuticals to frozen pork. starting january 1st, a signal that beijing could be making good on its promise to open its borders to the rest of the world. also share bowling jumping 2% after the company announced plans to fire its president and ceo. there is a shift to the dow, pushing it up higher. there are many traders on holidays so fewer shares are