Live: Jim Cramer on AT&T, Airline Earnings, Biogen, Crypto, Uber

Markets opened mixed on Thursday as economic optimism of a strong corporate earnings season was overshadowed by inflation concerns as weekly unemployment claims came in higher than expected. The Dow Jones Industrial Average fell 114.63 points, the Nasdaq Composite rose 31.85 points and the S&P fell 4.91 points.

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