To paraphrase a line from the late, great senator from Illinois, Everett Dirksen: A trillion here, a trillion there, pretty soon it adds up to real money. As in $2.7 trillion, the amount BlackRock (BLK) will soon have under its purview, making it the world's biggest asset manager. On June 16 Barclays (BCS) said it had accepted BlackRocks' $13.5 billion offer for Barclays Global Investors, home to the iShares family of exchange-traded funds. The money will bolster Barclays' capital levels and likely end worries it might have to be rescued by the British government.

Before it's here, it's on the Bloomberg Terminal. LEARN MORE