Jim Cramer Previews JP Morgan, Citigroup Earnings

A potential Fed rate hike will boost the big banks and that is keeping investors in J.P. Morgan (JPM) - Get Report and Citigroup (C) - Get Report ahead of earnings this Friday, says TheStreet's Jim Cramer. JPMorgan Chase overtook Wells Fargo as the largest U.S. bank by market capitalization in September, at $248.3 billion, after Wells shares sank amid a bogus accounts scandal. JPMorgan Chase, whose shares climbed slightly Wednesday to $68.40, is expected to report earnings of $1.35 a share on revenue of $23.9 billion. CItigroup may report higher-than expected-expenses in the third quarter after announcing a four-year, $1.5 billion investment in Mexico in October. Citigroup is expected to post earnings of $1.16 a share on sales of $17.3 billion on Friday.