Video: Jim Cramer on Tax Reform, Costco, Adobe, Oracle and CSX

TheStreet's founder and Action Alerts PLUS Portfolio Manager Jim Cramer weighs in on tax reform, quarterly earnings from Costco (COST) - Get Report , Adobe (ADBE) - Get Report and Oracle (ORCL) - Get Report , along with news that that CSX's (CSX) - Get Report CEO is taking a medical leave. 

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