The Dow Transports, made up of 20 transportation stocks like Uber and UPS, has been on a winning streak for eight days. This is the longest streak since Oct. 26, 2021, when it rose for nine consecutive trading days. Investors watch this index closely because of the Dow Theory, which states that the 30 Dow Jones Industrial Average components must move in sync with the Transports for a true bull market to emerge.

Read more at Barron’s: This Dow Index Has Turned a Corner