Better-than-expected earnings from industry leaders including Caterpillar and McDonald's push the Dow to log triple-digit gains for the second day in a row, its best two-day stretch of the year.
A stream of positive earnings reports keep stocks on the rise on Tuesday with the Dow Jones Industrial Average logging triple-digit gains for the second day in a row.
Biogen's new spine disease drug outperformed expectations during its commercial debut.
Biogen adjusted profit rose in the first quarter on a small increase in total revenue. Sales of the biotech company's multiple sclerosis drugs remain flat.