* Democrats unveil plan for 15% minimum corporate tax
* Democrats are considering a novel capital-gains tax on billionaires
* Microsoft and Alphabet beat expectations for revenue growth
* US is now the leader in bitcoin mining after China crackdown
* Treasury market’s 5-year inflation forecast rises to 2.99% for the first time
* Hot US housing market may be starting to cool, based on S&P Case-Shiller Index
* New home sales rebounded to six-month high in September
* US Consumer Confidence rises in October, following three months of decline: