Dow Reaching 40K? Don’t Necessarily Break Out the Champagne

The major indices reached all-time highs this week – but when it comes to that Dow Jones record, veteran CIO Kevin Mahn says, ‘I don’t even look at the Dow.’
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Can NYC Finally Cool Its Subway?
Why is the NYC subway platform so hot? One rider built his own sensor network to find out. We explore the geothermal fix the MTA is piloting right now.
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