About 1, 200 ETFs are on the U.S. market, with BlackRock's iShares recently commanding a market leading share of 44 percent of all ETF assets, according to the research firm ETFGI.

WSJ: Fidelity, BlackRock's iShares teaming up on ETFs

The company has been the leading global vendor in several router and switches markets, commanding substantial market share.

FORBES: Cisco Should Consider Losing Linksys, Selling Scientific Atlanta

Greene powered to a commanding victory in 48.12 seconds, lowering his own leading time in Europe this year with a new personal best.

BBC: European Athletics 2010: Welsh one-two in 400m hurdles

Curry shook off the soreness in his ankle to score 22 of his 31 points in a spectacular third quarter, leading the Warriors past the Denver Nuggets 115-101 on Sunday night for a commanding 3-1 series lead.

NPR: Curry Leads Warriors Past Denver 115-101 In Game 4

With views commanding such premiums, anything that blocks them can cause an uproar, sometimes leading to lawsuits or city intervention.

WSJ: What's a View Worth?