Blackrock BLK http://quote.morningstar.com/switch.html?ticker=BLK Speaking of bonds, this money manager, which specializes in running bond portfolios, looks like another interesting option.

• 黑石公司（BLK）：说起债券，不得不提这位基金管理公司，它擅长于运作债券组合，看起来很象另一个有趣的期权。