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(Updates from 10:54 a.m. ET with closing information.) NEW YORK ( TheStreet) -- Here's what Jim Cramer had to say on CNBC's "Squawk on the Street" Tuesday. Citigroup downgraded Xerox ( XRX). Cramer disagreed because this company is "starting to get its act together." XRX rose 3.4% to $10.49. Rockwell Collins ( COL) completed a $1.39 billion deal to acquire Arinc, and Cramer was surprised the stock was down on this news. COL was 1.3% higher at $74.29. Goldman Sachs said Dick's Sporting Goods ( DKS) is going to report below-consensus earnings results. Cramer said this news may hurt Nike ( NKE) and Under Armour ( UA), which would be a mistake. DKS fell nearly 1% to $52. Athenahealth ( ATHN) has one of the highest valuations of the stocks that Cramer follows, and he can understand why Cowen Group says the stock is too expensive. ATHN was down 2.9% to $112.27. Cramer said he still likes Micron Technology ( MU) and that it remains one of his favorites. MU jumped 8.2% to $14.97. Lululemon Athletica ( LULU) could break out to the upside if the broader market cooperates, Cramer said. If it does, then "look out, that's a rocket ship!" he concluded. LULU ended the day up 2.4% to $74.65. To sign up for Jim Cramer's free Booyah! newsletter, with all of his latest articles and videos, please click here. -- Written by Bret Kenwell in Petoskey, Mich. Follow @BretKenwell