President trump tax plan will effect the economy ,

President trump tax plan will effect the economy ,first time in many years The tax plan has changed, so look to that ,to effect the market
plus we have the January effect

The January effect is a seasonal increase in stock prices during the month of January. Analysts generally attribute this rally to an increase in buying, which follows the drop in price that typically happens in December when investors, engaging in tax-loss harvesting to offset realized capital gains, prompt a sell-off.