in the u.s., this wine has been hailed as supertuscan. in addition, the marchese antinori tignanello could sell many times more expensive than chianti classico.

How would the previous sentence be correctly capitalized?
In the U.S., this wine has been hailed as Supertuscan. In addition, the Marchese Antinori Tignanello could sell many times more expensive than Chianti Classico.