Preserving block trading through these large indications helps institutional investors working for mutual funds and 401(k)s trade without moving the market against themselves, says Al Berkeley, chairman of Pipeline Trading Systems.

FORBES: SEC Fights Dark Pool Abuses

It's pretty rare that a portable solar-based device offers much more utility than impressing your friends, but PiSAT Solar's K-Light won't only make you the coolest kid on your block: it might actually prove useful the next time you take a hike or find yourself hanging out in a developing country.

ENGADGET: PiSAT Solar's K-Light boasts a one-to-one charging ratio

With aggressive easing of monetary policies by the central banks of the U.S., U.K. and Japan, the euro is left as the least ugly dog on the city block.

WSJ: Euro's Recovery Not Without Pain for Some