JPMorgan Chase is one of the best bank stocks out there, but it comes at a high price. JPMorgan Chase (JPM 0.30%) is the biggest bank in the world -- and it isn't even close. Measured by market capitalization, JPMorgan's $578 billion valuation dwarfs that of its closest rival, Bank of America, by nearly 2x. But doesn't the "law of large numbers" work against it? If JPMorgan gets bigger, won't it be harder to post even more impressive growth? Perhaps. But Jefferies analyst Ken Usdin says JPMorgan will grow 1 ...