Tech Continues to Sell-off While Goldman Misses Q4 Earnings Expectations

Mark DeCambre, Markets Editor at MarketWatch, discusses the factors impacting bank profitability and highlights industries within tech that are showing signs of growth.
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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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