Several ice shelves -- Prince Gustav Channel, Larsen Inlet, Larsen A, Larsen B, Wordie, Muller and Jones -- have collapsed in the past three decades, the British Antarctic Survey said.

CNN: Massive ice shelf on verge of breakup

Chart Analysis : The daily chart of IWM shows a well-established trading channel (lines a and b) that goes back to the October lows.

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The daily chart shows a well-defined downward trading channel, lines a and b.

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Consider stand-up acts like the Larry the Cable Guy and Ron White, both of whom got their break on the Blue Collar Comedy tour and a subsequent series on the Viacom (nyse: VIA.B - news - people )-owned Comedy Central channel.

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