New York ( TheStreet) -- Financial stocks struggled to stay in the black on Monday as small cap and regional banks reported earnings. The Financial Select Sector SPDR ( XLF) was up two cents at $16.48. The big winner of the day was Berkshire Hathaway ( BRK.B). Shares in the company were up $2.48 to $82.93 on news that the insurer may soon begin paying a dividend.Bank of Hawaii ( BOH) shares were up $1.11 to $48.73 after it reported a fourth-quarter net income of $40.6 million, or 84 cents a share, beating the consensus estimate of 69 cents a share among analysts polled by Thomson Reuters. Citigroup ( C)stock was flat at $4.89 on news that the U.S. Treasury Department is taking its final step away from a $45 billion investment in the bank. The government is set to sell a bundle of warrants to purchase common stock. The big loser of the day was JPMorgan & Chase ( JPM). The bank's shares were down 16 cents at $45.15 after the U.S. Supreme Court decided on Monday that the bank followed the law in its practice of retroactively raising interest rates on consumers before the Federal Reserve implemented a new law banning the practice. --Written by Maria Woehr in New York. To contact the writer of this article, click here: Maria Woehr. To follow the writer on Twitter, go to http://twitter.com/newsgirlmw. To submit a news tip, send an email to: email@example.com.