TheStreet's Jim Cramer answers questions from his Twitter followers, including whether the gold ETF is a good place during this Ukraine crisis. Cramer says investors should have at least 10% of their portfolio in gold, but don't buy more today. Cramer is also asked whether Amazon is a buy on this dip, but he says he prefers Salesforce.com. Finally, Cramer says he is a bull on Groupon and he talks about his personal experience with Groupon and how it helps his own businesses.
At the time of publication, Cramer was long ___.