Last week we saw Citigroup (NYSE:C), Bank of America (NYSE:BAC) and JPMorgan Chase's (NYSE:JPM) share prices dropping after the news that Japanese stocks were falling and other signs of weakness in the Asian markets. But since then, the Japanese Nikkei has fallen further, but the banks have recovered. In the video below, Motley Fool contributor Jessica Alling discusses why banks are exposed to the weaknesses in Asian markets, how they can offset any issues, and how long-term investors should categorize the most recent dip in share price.